CN114985959A - Five laser cutting machines of surgical instruments - Google Patents
Five laser cutting machines of surgical instruments Download PDFInfo
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- CN114985959A CN114985959A CN202210485402.XA CN202210485402A CN114985959A CN 114985959 A CN114985959 A CN 114985959A CN 202210485402 A CN202210485402 A CN 202210485402A CN 114985959 A CN114985959 A CN 114985959A
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- moving plate
- precise motion
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- 238000003698 laser cutting Methods 0.000 title claims abstract description 58
- 238000007599 discharging Methods 0.000 claims description 6
- 208000014674 injury Diseases 0.000 abstract description 2
- 230000008733 trauma Effects 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/0093—Working by laser beam, e.g. welding, cutting or boring combined with mechanical machining or metal-working covered by other subclasses than B23K
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
Abstract
The invention provides a five-axis laser cutting machine of a surgical operation instrument, which comprises a laser control unit, a motion control unit, a fine laser cutting head, a precise motion platform X1 shaft, a precise motion platform X2 shaft, a precise motion platform Y shaft, a precise motion platform Z shaft and a rotating shaft, wherein the precise motion platform Y shaft is connected with a moving part of the precise motion platform X2 shaft, one side surface of the precise motion platform Z shaft is connected with the moving part of the precise motion platform Y shaft through a connecting piece, the fine laser cutting head is fixed on the moving part of the precise motion platform Z shaft, the moving part of the precise motion platform Z shaft is positioned on the opposite side surface of the side surface connected with the precise motion platform Y shaft, the precise motion platform X1 shaft is positioned right below the fine laser cutting head, and the rotating shaft is fixed on the moving part of the precise motion platform X1 shaft. The five-axis laser cutting machine of the surgical operating instrument adopts a five-axis linkage laser processing mode, and has the advantages of non-contact, high precision, no trauma and the like.
Description
Technical Field
The invention belongs to the technical field of precision cutting of numerical control machine tools, and particularly relates to a five-axis laser cutting machine of a surgical operation instrument.
Background
The traditional medical minimally invasive surgery pipe fitting at home and abroad adopts a mechanical processing mode to carry out opening and hole turning processing on the pipe fitting, and has the problems of low efficiency, low precision, rough appearance, scratch and the like.
Disclosure of Invention
Aiming at the technical problems, the invention provides a five-axis laser cutting machine of a surgical operation instrument, which adopts a five-axis linkage laser processing mode and realizes the advantages of non-contact, high precision, no trauma and the like.
In order to realize the purpose, the invention adopts the following technical scheme:
a five-axis laser cutting machine of surgical instruments comprises a laser control unit, a motion control unit, a fine laser cutting head, a precise motion platform X1 axis, a precise motion platform X2 axis, a precise motion platform Y axis, a precise motion platform Z axis and a rotating axis, wherein the laser control unit is in control connection with the fine laser cutting head, the motion control unit is in control connection with the precise motion platform X1 axis, the precise motion platform X2 axis, the precise motion platform Y axis, the precise motion platform Z axis and the rotating axis, the precise motion X2 axis is arranged on a supporting platform fixed on the working platform, the precise motion platform Y axis is connected with a moving part of the precise motion platform X2 axis, one side surface of the precise motion platform Z axis is connected with the moving part of the precise motion platform Y axis through a connecting piece, the fine laser cutting head is fixed on the moving part of the precise motion platform Z axis, the precise motion platform comprises a precise motion platform Z shaft, a precise motion platform Y shaft, a precise motion platform X1 shaft, a rotating shaft, a precise laser cutting head, a to-be-processed surgical instrument and a self-rotating shaft discharging end extension port, wherein the moving part of the Z shaft of the precise motion platform is positioned on the opposite side surface of the Z shaft connected with the Y shaft of the precise motion platform, the X1 shaft is positioned under the precise laser cutting head, the rotating shaft is fixed on the moving part of the X1 shaft of the precise motion platform, the precise laser cutting head is positioned on one side of the discharging end of the rotating shaft, the to-be-processed surgical instrument enters the rotating shaft from one side of the X1 shaft of the precise motion platform, which is close to the feeding end of the rotating shaft, and the self-rotating shaft discharging end extension port is cut by the precise laser cutting head.
Furthermore, a feeding support frame is fixed on the end face of one side, close to the feeding end of the rotating shaft, of the X1 shaft of the precision motion platform, a V-shaped groove used for containing surgical instruments to be processed is formed in the upper end face of the feeding support frame, and the V-shaped groove and the feeding hole of the rotating shaft are arranged coaxially.
Furthermore, a follow-up supporting device is arranged on one side, close to the discharge end of the rotating shaft, of the X1 shaft of the precision motion platform and is connected with a moving part on the X1 shaft of the precision motion platform, the follow-up supporting device comprises a clamping part extending above the upper end face of the X1 shaft of the precision motion platform, a clamping hole concentric with the rotating shaft is formed in the clamping part, and the X1 shaft of the precision motion platform drives the rotating shaft and the follow-up supporting device to move left and right.
Furthermore, the precision motion platform X1 includes a first base and a first moving plate, a first limiting plate is disposed at each of two ends of the first base in the width direction, the height of the first limiting plate is higher than that of the first base, two first slide rails are symmetrically disposed on the upper end surface of the first base, the front and rear sides of the first moving plate parallel to the moving direction thereof are slidably connected with the first base through first supporting plates, the front and rear sides of the rotating shaft are respectively fixedly connected with the front and rear sides of the first moving plate, a first slider is disposed on the lower end surface of the moving plate, two grooves adapted to the first slide rails are symmetrically disposed on the first slider, and the first slide rails are slidably embedded and connected with the first slider; the X1 shaft of the precise motion platform is electrically connected with the linear motor, the first moving plate is connected with the stator of the linear motor, and the motion control unit is electrically connected with the linear motor in a control mode.
Furthermore, the first moving plate is arranged in the middle of the first bottom plate in the length direction, two buffer parts are symmetrically arranged on two sides of the first moving plate, the longitudinal section of each buffer part is U-shaped, and two sides of the opening end are respectively fixedly and slidably connected with the base; and a top end plate is arranged between the upper end surfaces of the two first limiting plates, and the rotating shaft is positioned above the top end plate and arranged at intervals.
Furthermore, the X2 shaft of the precision motion platform comprises a second base, a second moving plate and a second cylinder, the cylinder shaft of the second cylinder is fixedly connected with the second moving plate, the longitudinal section of the side of the second moving plate is in an inverted U shape, a second limiting plate is arranged at both ends of the second base in the width direction, a second cylinder is fixed at the outer side of the second limiting plate at one side, the height of the second limiting plate is higher than that of the second base, two second slide rails are symmetrically arranged on the upper end surface of the second base, two sides of the opening end of the second moving plate are connected with the second base in a sliding way, the lower end surface of the Y axis of the precision moving platform is fixedly connected with the upper end surface of the second moving plate, the lower end face of the second moving plate is provided with a second sliding block, the second sliding block is symmetrically provided with two grooves matched with the second sliding rail, and the second sliding rail and the second sliding block are connected in a sliding embedded mode.
Furthermore, the second movable plate is arranged in the middle of the second base in the length direction, two buffer parts are symmetrically arranged on two sides of the second movable plate, the longitudinal section of each buffer part is U-shaped, and two sides of the opening end are respectively fixedly and slidably connected with the second base.
Furthermore, the Y-axis and the Z-axis of the precision motion platform have the same structure and comprise a bottom plate, a third moving plate and a third cylinder, wherein both ends of the bottom plate in the width direction are provided with a third limiting plate, the height of the third limiting plate is higher than that of the bottom plate, the third cylinder is fixed at the outer side of the third limiting plate on one side, and the cylinder shaft of the third cylinder penetrates through the third limiting plate where the third cylinder is located and is fixedly connected with the third moving plate; the side longitudinal section of the third moving plate is in an inverted U shape, two third sliding rails are symmetrically arranged on the upper end surface of the bottom plate, two sides of the opening end of the third moving plate are abutted to the upper end surface of the bottom plate, two third sliding blocks are arranged on the lower end surface of the third moving plate, two grooves matched with the third sliding rails are symmetrically arranged on the third sliding blocks, the third sliding rails and the third sliding blocks are connected in a sliding embedded mode, and the outer side surface of the Z-axis upper bottom plate of the precision motion platform is fixedly connected with the upper end surface of the third moving plate through a first connecting piece; the fine laser cutting head is fixedly connected with the Z shaft of the precision motion platform through a second connecting piece fixed on the upper end face of a third moving plate on the Z shaft of the precision motion platform; the bottom plate is close to the end far away from the third cylinder and is provided with a buffer piece, the buffer piece is located between the third moving plate and the end limiting plate, the longitudinal section of the buffer piece is U-shaped, and two sides of the opening end are respectively connected with the bottom plate in a sliding mode.
Furthermore, the longitudinal section of the first connecting piece is of a 'Brilliant' type, the transverse plate is fixedly connected with the upper end face of a third moving plate on a Y-axis of the precision motion platform, and the vertical plate is fixedly connected with the outer side face of an upper bottom plate on a Z-axis of the precision motion platform.
Further, the rotating shaft is of an internal hollow structure and comprises a rotating shaft shell, a chuck handle, an air cylinder system, a bearing rotating system, a chuck cap and a chuck push rod, a first rotating motor base and a second rotating motor base are symmetrically arranged on the inner sides of an upper end cover and a lower end cover of the rotating shaft shell, and rotating motors are mounted on the first rotating motor base and the second rotating motor base; the chuck handle is connected with the rotating motor through a rotating flange, penetrates through the bearing rotating system and is rotatably connected with the bearing rotating system; the air cylinder system is arranged on the outer side of the bearing rotating system and is fixedly connected with the bearing rotating system; the chuck is arranged in the chuck handle; the chuck comprises a chuck body, the chuck body comprises a front end and a tail end, the front end is sequentially and coaxially provided with a conical table part, a cylindrical part and a boss part from a fixed end to a free end, the diameter of the boss part is smaller than that of the cylindrical part, the outer wall of the circumference of one end, close to the boss part, of the cylindrical part is provided with an outer edge part, and the outer edge part, the front end face of the chuck handle and the outer wall of the cylindrical part form a caulking groove; the left end of the chuck push rod is connected with the air cylinder system, the right end of the chuck push rod is provided with a downward extending part, and the extending part is inserted into the caulking groove; the chuck cap is 7-shaped and comprises a first vertical part, a second vertical part and a horizontal part for connecting the first vertical part and the second vertical part, the lower end surface of the first vertical part is abutted against the side wall of the boss part, and the second vertical part is detachably connected with the chuck push rod; the bearing rotating system comprises a first fixed connecting part, a second fixed connecting part and a rotating connecting part, the first fixed connecting part is detachably connected with the lower part of the left end face of the air cylinder system, and the right end of the first fixed connecting part is detachably connected with the second fixed connecting part; the upper end of the second fixed connecting part is detachably connected with the air cylinder, and the lower end of the second fixed connecting part is rotatably connected with the rotating connecting part; the air cylinder system comprises an air cylinder, a piston and a piston connecting rod fixed on the piston, the lower part of the front end of the piston connecting rod is connected with the left end of the chuck push rod through a connecting block, and the free end of the tail end of the piston connecting rod is provided with threads and is connected with the inside of the chuck handle through threads.
The five-axis laser cutting machine of the surgical operation instrument can realize all processing functions and technological capabilities of a traditional medical support three-axis femtosecond laser processing system by matching a precision motion platform X1 axis, a rotating shaft and a precision motion platform Z axis, namely clamping of an isodiametric circular tube and laser cutting, grooving and drilling of centripetal opening characteristics; in addition, the system can realize the laser cutting, slotting and drilling processing of plane instruments by the linkage of a precise motion platform X1 shaft, a precise motion platform Y shaft, a precise motion platform Z shaft and a rotating shaft and the linkage of a circular pipe, an elliptical pipe and a reducer pipe with equal diameter, the centripetal opening characteristic (the axis of a precise laser cutting head always points to the axis of a pipe during cutting), the vertical opening characteristic (the axis of the precise laser cutting head does planar displacement motion in the longitudinal section of the pipe during cutting), the laser cutting, slotting and drilling processing of composite opening characteristics, and by switching clamping jigs and by the linkage of the precise motion platform X1 shaft, the precise motion platform Y shaft and the precise motion platform Z shaft; through setting up accurate motion platform X2 axle to be connected accurate motion platform Y axle and accurate motion platform Z axle rather than, realize when the both ends of needs to tubular product are cut, after the cutting of completion one end, the motion of accurate motion platform X2 axle will arrive the meticulous laser cutting head and move to the opposite side of rotation axis, accomplish the cutting of this end.
The five-axis laser cutting machine of the surgical operation instrument comprises a follow-up supporting system adaptive to the shape tolerance change of a fine precision tube, a rotating shaft of a pneumatic automatic control type fine precision thin-walled tube clamping system, a precision motion platform developed automatically, a linear shaft Z of a high-resolution position closed-loop feedback sensor and a fine laser cutting head for coaxially monitoring the laser processing dynamic process of a support in real time, can realize the linkage control of motion parameters and laser parameters (current, frequency and pulse width), is different from the separation control of the motion parameters and the laser parameters of a transmission support laser cutting machine, and realizes the precise control of the laser processing process of a minimally invasive medical operation instrument; the follow-up supporting device binds the pipe in an inner hole, and the fit tolerance of the inner hole and the pipe is very small, so that the cutting tolerance is realized; the five-axis laser cutting machine of the surgical operation instrument can be used for the laser micromachining of surgical operations such as ultrasonic knives, endoscopes, anastomats, suturing devices, soft drills, plane knives, puncture needles, nasal drills and the like and orthopedic instruments, and can also be used for the laser cutting of plane medical instruments.
Drawings
FIG. 1 is a schematic structural view of a five-axis laser cutting machine of a surgical instrument according to the present invention;
fig. 2 is a schematic view of a rotating shaft according to the present invention.
Wherein, 1-X1 axis of a precision motion platform, 2-X2 axis of the precision motion platform, 3-Y axis of the precision motion platform, 4-Z axis of the precision motion platform, 5-rotating axis, 6-fine laser cutting head, 7-laser control unit, 8-motion control unit, 9-working platform, 10-supporting platform, 11-feeding supporting frame, 12-follow-up supporting device, 13-buffering member, 14-first connecting member, 15-second connecting member, 111-V-shaped groove, 101-first base, 102-first moving plate, 103-first limiting plate, 104-first sliding rail, 105-first supporting plate, 106-first sliding block, 107-top end plate, 201-second base, 202-second moving plate, 203-second cylinder, 204-a second limiting plate, 205-a second slide rail, 206-a second slide block, 301-a bottom plate, 302-a third moving plate, 303-a third cylinder, 304-a third limiting plate, 305-a third slide rail, 306-a third slide block, 501-a chuck handle, 502-a cylinder system, 503-a bearing rotating system, 504-a chuck, 505-a chuck push rod, 506-a chuck cap, 507-an upper end cover, 508-a lower end cover, 509-a rotating motor, 510-a first rotating motor base, 511-a second rotating motor base, 512-a flange, 5041-a front end, 5042-a tail end, 50411-a cone base, 50412-a cylinder, 50413-a boss base, 50414-an outer edge portion, 5061-a first vertical portion, 5062-a second vertical portion, 5063-horizontal part, 5031-first fixed connecting part, 5031-second fixed connecting part, 5033-rotary connecting part, 5021-cylinder, 5022-piston, 5023-piston connecting rod and 5024-connecting block; 121-clamping part, 122-clamping hole.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in fig. 1-2, a five-axis laser cutting machine for surgical instruments comprises a laser control unit 7, a motion control unit 8, a fine laser cutting head 6, a precision motion platform X1 axis 1, a precision motion platform X2 axis 2, a precision motion platform Y axis 3, a precision motion platform Z axis 4 and a rotation axis 5, wherein the laser control unit 7 is in control connection with the fine laser cutting head 6, the motion control unit 8 is in control connection with a precision motion platform X11 axis, a precision motion platform X2 axis 2, a precision motion platform Y axis 3, a precision motion platform Z axis 4 and a rotation axis 5, the precision motion platform X2 axis 2 is arranged on a support platform 10 fixed on a working platform 9, the precision motion platform Y axis 3 is connected with a moving part of the precision motion platform X2 axis 2, one side surface of the precision motion platform Z axis 4 is connected with the moving part of the precision motion platform Y axis 3 through a connecting piece, the fine laser cutting head 6 is fixed on a moving part of a Z shaft 4 of the precise motion platform, the moving part of the Z shaft 4 of the precise motion platform is positioned on the opposite side surface of the Z shaft 4 connected with a Y shaft 3 of the precise motion platform, an X1 shaft 1 of the precise motion platform is positioned under the fine laser cutting head 6, a rotating shaft 5 is fixed on the moving part of the X1 shaft 1 of the precise motion platform, the fine laser cutting head 6 is positioned on one side of the discharge end of the rotating shaft 5, a surgical instrument to be processed enters the rotating shaft 5 from one side of the X1 shaft 1 of the precise motion platform close to the feed end of the rotating shaft 5, and the surgical instrument to be processed is cut by the fine laser cutting head 6 from the extension port of the discharge end of the rotating shaft 5; a feeding support frame 11 is fixed on the end surface of one side of the X1 shaft 1 of the precision motion platform close to the feeding end of the rotating shaft 5, a V-shaped groove 111 for accommodating a surgical instrument to be processed is arranged on the upper end surface of the feeding support frame 11, and the V-shaped groove 111 and the feeding hole of the rotating shaft 5 are arranged coaxially; a follow-up supporting device 12 is arranged on one side of a shaft 1 of the precision motion platform X1 close to the discharge end of the rotating shaft 5, the follow-up supporting device 12 is connected with a first moving plate 102 on a shaft of the precision motion platform X1, the follow-up supporting device 12 comprises a clamping part 121 extending above the upper end face of the shaft 1 of the precision motion platform X1, a clamping hole 122 which is concentric with the rotating shaft 5 is formed in the clamping part 121, and the shaft 1 of the precision motion platform X1 drives the rotating shaft 5 and the follow-up supporting device 12 to move left and right.
The precise motion platform X1 shaft 1 comprises a first base 101 and a first moving plate 102, two ends of the first base 101 in the width direction are respectively provided with a first limiting plate 103, the height of the first limiting plate 103 is higher than that of the first base 101, two first sliding rails 104 are symmetrically arranged on the upper end surface of the first base 101, the front side and the rear side of the first moving plate 102, which are parallel to the moving direction of the first moving plate, are slidably connected with the first base 101 through first supporting plates 105, the front side and the rear side of a rotating shaft 5 are respectively fixedly connected with the front side and the rear side of the first moving plate 102, the lower end surface of the first moving plate 102 is provided with a first sliding block 106, the first sliding block 106 is symmetrically provided with two grooves matched with the first sliding rails 104, and the first sliding rails 104 are slidably embedded and connected with the first sliding blocks 106; the first moving plate 102 is arranged in the middle of the first bottom plate 101 in the length direction, two buffer members 13 are symmetrically arranged on two sides of the first moving plate 102, the longitudinal section of each buffer member 13 is U-shaped, and two sides of an opening end are respectively fixedly and slidably connected with the first base 101; a top end plate 107 is arranged between the upper end surfaces of the two first limit plates 103, and the rotating shaft 5 is positioned above the top end plate 107 and is arranged at intervals; (ii) a The precise motion platform X1 shaft 1 is electrically connected with the linear motor, the first moving plate 102 is connected with the stator of the linear motor, and the motion control unit is electrically connected with the linear motor in a control way.
The X2 shaft 2 of the precision motion platform comprises a second base 201, a second moving plate 202 and a second cylinder 203, the cylinder shaft of the second cylinder 203 is fixedly connected with the second moving plate 202, the longitudinal section of the second moving plate 202 is in an inverted U shape, two ends of the second base 201 in the width direction are respectively provided with a second limiting plate 204, the height of the second limiting plate 204 is higher than that of the second base 201, two second slide rails 205 are symmetrically arranged on the upper end surface of the second base 201, two sides of the opening end of the second moving plate 202 are slidably connected with the second base 201, the lower end surface of the Y-axis 3 of the precision motion platform is fixedly connected with the upper end surface of the second moving plate 201, a second sliding block 206 is arranged on the lower end surface of the second moving plate 202, two grooves matched with a second sliding rail 205 are symmetrically arranged on the second sliding block 206, and the second sliding rail 205 and the second sliding block 206 are connected in a sliding embedded manner; the second moving plate 202 is arranged in the middle of the second base 201 in the length direction, two buffer members 13 are symmetrically arranged on two sides of the second moving plate 202, the longitudinal section of each buffer member 13 is U-shaped, and two sides of an opening end are respectively fixedly and slidably connected with the second base 201.
The Y-axis 3 of the precision motion platform and the Z-axis 4 of the precision motion platform have the same structure and comprise a bottom plate 301, a third moving plate 302 and a third cylinder 303, wherein both ends of the bottom plate 301 in the width direction are provided with third limiting plates 304, the height of each third limiting plate 304 is higher than that of the bottom plate 301, the third cylinder 303 is fixed at the outer side of the third limiting plate 304 on one side, and the cylinder axis of the third cylinder 303 penetrates through the third limiting plate 304 where the cylinder axis is located and is fixedly connected with the third moving plate 302; the lateral longitudinal section of the third moving plate 302 is inverted U-shaped, two third sliding rails 305 are symmetrically arranged on the upper end surface of the bottom plate 301, two sides of the opening end of the third moving plate 302 are abutted against the upper end surface of the bottom plate 301, two third sliding blocks 306 are arranged on the lower end surface of the third moving plate 302, two grooves matched with the third sliding rails 305 are symmetrically arranged on the third sliding blocks 306, the third sliding rails 305 and the third sliding blocks 306 can be slidably embedded and connected, the outer side surface of the bottom plate 301 on the Z shaft 4 of the precision motion platform is fixedly connected with the upper end surface of the third moving plate 302 through a first connecting piece 14 which is shaped like L in longitudinal section, the transverse plate of the first connecting piece is fixedly connected with the upper end surface of the third moving plate 302 on the Y shaft 3 of the precision motion platform, and the vertical plate is fixedly connected with the outer side surface of the bottom plate 301 on the Z shaft 4 of the precision motion platform; the fine laser cutting head 6 is fixedly connected with the Z shaft 4 of the precision motion platform through a second connecting piece 15 fixed on the upper end face of a third moving plate 301 on the Z shaft 4 of the precision motion platform; one end of the bottom plate 301 close to the end far away from the third cylinder 303 is provided with a buffer member 13, the buffer member 13 is located between the third moving plate 302 and the third limiting plate 304 at the end, the longitudinal section of the buffer member 13 is U-shaped, and two sides of the opening end are respectively fixedly and slidably connected with the bottom plate 301.
The rotating shaft 5 is of an internal hollow structure, the rotating shaft 5 comprises a rotating shaft housing, a chuck handle 501, an air cylinder system 502, a bearing rotating system 503, a chuck 504, a chuck cap 506 and a chuck push rod 505, a first rotating motor base 510 and a second rotating motor base 511 are symmetrically arranged on the inner sides of an upper end cover 507 and a lower end cover 508 of the rotating shaft housing, and rotating motors 509 are mounted on the first rotating motor base 510 and the second rotating motor base 511; the chuck handle 501 is connected with a rotating motor 509 through a rotator flange 512, and the chuck handle 501 penetrates through a bearing rotating system 503 and is rotatably connected with the bearing rotating system 503; the cylinder system 502 is arranged outside the bearing rotating system 503 and is fixedly connected with the bearing rotating system 503; the collet 504 is disposed within the collet shank 501.
The chuck 504 comprises a chuck main body, the chuck main body comprises a front end 5041 and a tail end 5042, the front end 5041 is coaxially provided with a conical table part 50411, a cylindrical part 50412 and a boss part 50413 in sequence from a fixed end to a free end, the diameter of the boss part 50413 is smaller than that of the cylindrical part 50412, the cylindrical part 50412 is provided with an outer edge part 50414 on the circumferential outer wall at one end close to the boss part 50413, and the outer edge part 50414, the front end surface of the chuck handle 501 and the outer wall of the cylindrical part 50412 form a caulking groove; the left end of the chuck push rod 505 is connected with the cylinder system 502, the right end of the chuck push rod is provided with a downward extension portion 5051, and the extension portion 5051 is inserted into the caulking groove; the collet cap 506 has a shape of "7", and includes a first vertical portion 5061, a second vertical portion 5062, and a horizontal portion 5063 connecting the first vertical portion 5061 and the second vertical portion 5061, the lower end surface of the first vertical portion 5061 abuts against the side wall of the boss portion 50413, and the second vertical portion 5062 is detachably connected to the collet push rod 505.
The bearing rotation system 503 comprises a first fixed connection portion 5031, a second fixed connection portion 5031 and a rotation connection portion 5033, wherein the first fixed connection portion 5031 is detachably connected with the lower portion of the left end face of the cylinder system 502, and the right end of the first fixed connection portion 5031 is detachably connected with the second fixed connection portion 5032; the second fixed connection 5032 has an upper end detachably connected to the cylinder 5021 and a lower end rotatably connected to the rotation connection 5033.
The cylinder system comprises a cylinder 5021, a piston 5022 and a piston connecting rod 5023 fixed on the piston 5022, the lower part of the front end of the piston connecting rod 5023 is connected with the left end of the chuck push rod 505 through a connecting block 5024, and the free end of the tail end 5042 is provided with threads and is connected with the inside of the chuck handle 501 through threads.
The above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention should be regarded as the scope of the present invention to those skilled in the art.
Claims (10)
1. A five-axis laser cutting machine of surgical instruments is characterized by comprising a laser control unit, a motion control unit, a fine laser cutting head, a precise motion platform X1 shaft, a precise motion platform X2 shaft, a precise motion platform Y shaft, a precise motion platform Z shaft and a rotating shaft, wherein the laser control unit is in control connection with the fine laser cutting head, the motion control unit is in control connection with a precise motion platform X1 shaft, a precise motion platform X2 shaft, a precise motion platform Y shaft, a precise motion platform Z shaft and the rotating shaft, the precise motion X2 shaft is arranged on a supporting platform fixed on a working platform, the precise motion platform Y shaft is connected with a moving part of a precise motion platform X2 shaft, one side surface of the precise motion platform Z shaft is connected with the moving part of the precise motion platform Y shaft through a connecting piece, the fine laser cutting head is fixed on the moving part of the precise motion platform Z shaft, the precise motion platform comprises a precise motion platform Z shaft, a precise motion platform Y shaft, a precise motion platform X1 shaft, a rotating shaft, a precise laser cutting head, a to-be-processed surgical instrument and a self-rotating shaft discharging end extension port, wherein the moving part of the Z shaft of the precise motion platform is positioned on the opposite side surface of the Z shaft connected with the Y shaft of the precise motion platform, the X1 shaft is positioned under the precise laser cutting head, the rotating shaft is fixed on the moving part of the X1 shaft of the precise motion platform, the precise laser cutting head is positioned on one side of the discharging end of the rotating shaft, the to-be-processed surgical instrument enters the rotating shaft from one side of the X1 shaft of the precise motion platform, which is close to the feeding end of the rotating shaft, and the self-rotating shaft discharging end extension port is cut by the precise laser cutting head.
2. The five-axis laser cutting machine for the surgical instruments as claimed in claim 1, wherein a feeding support frame is fixed on the end face of the side, close to the feeding end of the rotating shaft, of the X1 shaft of the precision motion platform, a V-shaped groove for accommodating the surgical instruments to be processed is formed in the upper end face of the feeding support frame, and the V-shaped groove and the rotating shaft are arranged coaxially.
3. The five-axis laser cutting machine for surgical instruments according to claim 1, wherein a follow-up supporting device is arranged on one side of the precision motion platform X1 shaft close to the discharge end of the rotating shaft, the follow-up supporting device is connected with a moving part on the precision motion platform X1 shaft, the follow-up supporting device comprises a clamping part extending above the upper end face of the precision motion platform X1 shaft, a clamping hole concentric with the rotating shaft is arranged on the clamping part, and the precision motion platform X1 shaft drives the rotating shaft and the follow-up supporting device to move left and right.
4. The five-axis laser cutting machine for surgical instruments according to claim 1, wherein the precision motion platform X1 axis comprises a first base and a first moving plate, a first limiting plate is disposed at each of two ends of the first base in the width direction, the first limiting plate is higher than the first base in height, two first slide rails are symmetrically disposed on the upper end surface of the first base, the first moving plate is slidably connected with the first base through first supporting plates at the front and rear sides parallel to the moving direction of the first moving plate, the front and rear sides of the rotating shaft are respectively fixedly connected with the front and rear sides of the first moving plate, a first slider is disposed on the lower end surface of the first moving plate, two grooves adapted to the first slide rails are symmetrically disposed on the first slider, and the first slide rails are slidably embedded and connected with the first slider; the X1 shaft of the precise motion platform is electrically connected with the linear motor, the first moving plate is connected with the stator of the linear motor, and the motion control unit is electrically connected with the linear motor in a control mode.
5. The five-axis laser cutting machine for the surgical instruments according to claim 4, wherein the first moving plate is arranged in the middle of the first base in the length direction, two buffer members are symmetrically arranged on two sides of the first moving plate, the longitudinal section of each buffer member is U-shaped, and two sides of an opening end of each buffer member are fixedly and slidably connected with the first base respectively; and a top end plate is arranged between the upper end surfaces of the two first limiting plates, and the rotating shaft is positioned above the top end plate and arranged at intervals.
6. The five-axis laser cutting machine for surgical instruments according to claim 1, wherein the precise motion platform X2 axis comprises a second base, a second moving plate and a second cylinder, a cylinder axis of the second cylinder is fixedly connected with the second moving plate, a longitudinal section of the second moving plate is in an inverted U shape, a second limiting plate is arranged at each of two ends of the second base in the width direction, the second cylinder is fixed at the outer side of the second limiting plate at one side, the height of the second limiting plate is higher than that of the second base, two second slide rails are symmetrically arranged on the upper end surface of the second base, two sides of an opening end of the second moving plate are slidably connected with the second base, a lower end surface of the Y axis of the precise motion platform is fixedly connected with the upper end surface of the second moving plate, a second slider is arranged on the lower end surface of the second moving plate, two grooves matched with the second slide rails are symmetrically arranged on the second slider, the second slide rail is connected with the second slide block in a sliding embedding manner.
7. The five-axis laser cutting machine for surgical instruments according to claim 6, wherein the second moving plate is disposed in the middle of the second base in the length direction, two buffer members are symmetrically disposed on two sides of the second moving plate, the longitudinal section of each buffer member is U-shaped, and two sides of the opening end are respectively fixedly and slidably connected with the second base.
8. The five-axis laser cutting machine of the surgical instrument according to claim 1, wherein the precision motion platform has the same structure as the precision motion platform Z-axis, and comprises a bottom plate, a third moving plate and a third cylinder, wherein a third limiting plate is arranged at each of two ends of the bottom plate in the width direction, the height of the third limiting plate is higher than that of the bottom plate, the third cylinder is fixed at the outer side of the third limiting plate on one side, and a cylinder shaft of the third cylinder penetrates through the third limiting plate where the third cylinder is located and is fixedly connected with the third moving plate; the side longitudinal section of the third moving plate is in an inverted U shape, two third sliding rails are symmetrically arranged on the upper end surface of the bottom plate, two sides of the opening end of the third moving plate are abutted to the upper end surface of the bottom plate, two third sliding blocks are arranged on the lower end surface of the third moving plate, two grooves matched with the third sliding rails are symmetrically arranged on the third sliding blocks, the third sliding rails and the third sliding blocks are connected in a sliding embedded mode, and the outer side surface of the Z-axis upper bottom plate of the precision motion platform is fixedly connected with the upper end surface of the third moving plate through a first connecting piece; the fine laser cutting head is fixedly connected with the Z shaft of the precision motion platform through a second connecting piece fixed on the upper end face of a third moving plate on the Z shaft of the precision motion platform; the bottom plate is close to the end far away from the third cylinder and is provided with a buffer piece, the buffer piece is located between the third moving plate and the end limiting plate, the longitudinal section of the buffer piece is U-shaped, and two sides of the opening end are respectively fixedly and slidably connected with the bottom plate.
9. The five-axis laser cutting machine for surgical instruments according to claim 8, wherein the longitudinal section of the first connecting piece is of a 'Ji' type, the transverse plate is fixedly connected with the upper end face of the third moving plate on the Y axis of the precision motion platform, and the vertical plate is fixedly connected with the outer side face of the Z axis upper bottom plate of the precision motion platform.
10. The five-axis laser cutting machine for the surgical instruments according to claim 1, wherein the rotating shaft is of a hollow structure, the rotating shaft comprises a rotating shaft housing, a chuck handle, a cylinder system, a bearing rotating system, a chuck cap and a chuck push rod, a first rotating motor base and a second rotating motor base are symmetrically arranged on the inner sides of an upper end cover and a lower end cover of the rotating shaft housing, and rotating motors are mounted on the first rotating motor base and the second rotating motor base; the chuck handle is connected with the rotating motor through a rotating body flange, penetrates through the bearing rotating system and is rotatably connected with the bearing rotating system; the air cylinder system is arranged on the outer side of the bearing rotating system and is fixedly connected with the bearing rotating system; the chuck is arranged in the chuck handle; the chuck comprises a chuck body, the chuck body comprises a front end and a tail end, the front end is sequentially and coaxially provided with a conical table part, a cylindrical part and a boss part from a fixed end to a free end, the diameter of the boss part is smaller than that of the cylindrical part, the outer wall of the circumference of one end, close to the boss part, of the cylindrical part is provided with an outer edge part, and the outer edge part, the front end face of the chuck handle and the outer wall of the cylindrical part form a caulking groove; the left end of the chuck push rod is connected with the cylinder system, the right end of the chuck push rod is provided with a downward extending part, and the extending part is inserted into the caulking groove; the chuck cap is 7-shaped and comprises a first vertical part, a second vertical part and a horizontal part for connecting the first vertical part and the second vertical part, the lower end surface of the first vertical part is abutted against the side wall of the boss part, and the second vertical part is detachably connected with the chuck push rod; the bearing rotating system comprises a first fixed connecting part, a second fixed connecting part and a rotating connecting part, the first fixed connecting part is detachably connected with the lower part of the left end face of the air cylinder system, and the right end of the first fixed connecting part is detachably connected with the second fixed connecting part; the upper end of the second fixed connecting part is detachably connected with the air cylinder, and the lower end of the second fixed connecting part is rotatably connected with the rotating connecting part; the air cylinder system comprises an air cylinder, a piston and a piston connecting rod fixed on the piston, the lower part of the front end of the piston connecting rod is connected with the left end of the chuck push rod through a connecting block, and the free end of the tail end of the piston connecting rod is provided with threads and is connected with the inside of the chuck handle through threads.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210485402.XA CN114985959A (en) | 2022-05-06 | 2022-05-06 | Five laser cutting machines of surgical instruments |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210485402.XA CN114985959A (en) | 2022-05-06 | 2022-05-06 | Five laser cutting machines of surgical instruments |
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| CN114985959A true CN114985959A (en) | 2022-09-02 |
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| CN202210485402.XA Pending CN114985959A (en) | 2022-05-06 | 2022-05-06 | Five laser cutting machines of surgical instruments |
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| CN117506209A (en) * | 2023-12-29 | 2024-02-06 | 苏州新云医疗设备有限公司 | Surgical instrument processing equipment and fixing device |
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