Biopsy pincers parts machining is with boring milling device
Technical Field
The utility model relates to a biopsy pincers parts machining is with boring milling device.
Background
The biopsy forceps are indispensable tools for taking pathological specimens in endoscopic examination, and at least comprise forceps clamps, connecting plates, pull rod connectors and sleeves, wherein the pull rod connectors are connected with the connecting plates, the connecting plates are connected with the forceps clamps, the four-bar mechanism is formed by the three parts, and the forceps clamps can be unfolded and closed when the pull rod connectors are pushed and pulled. The sleeve pipe is used as a connecting plate to form a supporting part of a transmission structure, has a tubular structure and is provided with a notch, and the sleeve pipe is also provided with transverse holes which are distributed on two sides of the notch. The cannula has a length of at most fifteen millimeters and a diameter of at most forty-five millimeters, so that the cannula has a very small volume and is a precise component in each component of the biopsy forceps.
In the prior art, the sleeve is processed manually. The raw material for producing the casing is a fine metal pipe which is a precise pipe fitting. According to the hardness of the metal pipe, two production processes are provided. Wherein the metal pipe has higher hardness, and the adopted production process comprises five steps: firstly, a batch of workers mill a plane on one side of one end of a metal pipe by using manual milling equipment, and then mill a plane on the other side of the same end of the metal pipe, so that the metal pipe is milled flat; secondly, another group of workers mill a notch on the milled flat part of the metal pipe by using a manual slot milling machine, and the notch extends on the central line of the metal pipe; thirdly, another group of workers use a manual drill to drill a transverse hole, the drill moves in the direction vertical to the central line of the metal pipe with the cylindrical shape, enters from one side of the flat part of the metal pipe and then drills from the other side of the flat part of the metal pipe, so that a transverse hole vertical to the central line of the metal pipe is obtained on the metal pipe, the transverse hole is communicated with the notch and is positioned at two sides of the notch, and burrs are generated in the transverse hole during groove milling; fourthly, in order to eliminate burrs generated in the notch due to the drilling of the transverse hole, another batch of workers stretch into the notch by a manual drill bit and remove the burrs in the notch through the high-speed movement of the drill bit; and fifthly, forming a chamfer at one end of the notch to gradually increase the opening width of the notch from inside to outside, and milling two chamfers on the sleeve one by using a manual slot milling machine by another batch worker. In actual production, the five steps are carried out one by four groups of workers, namely, one group of workers are responsible for milling flat, one group of workers are responsible for milling grooves, one group of workers are responsible for drilling holes, one group of workers are responsible for removing burrs in transverse holes, one group of workers are responsible for chamfering at the groove openings, and line production is carried out. The steps of drilling the transverse hole, deburring and chamfering in the process are drilling and milling operations.
The manual operation has low working efficiency and limited yield. Especially, the defect of low efficiency of manual operation is more obvious when the casing pipe with higher material hardness is produced.
Disclosure of Invention
The to-be-solved technical problem of the utility model is how to improve the problem of boring the work efficiency who mills the operation in the sleeve pipe course of working, obtains a biopsy tong parts processing from this and mills the device with boring.
In order to solve the technical problem, the utility model adopts the following technical scheme: the drilling and milling device for processing the biopsy forceps component is provided with a cross hole processing component, a chamfering component, a deburring component and a clamping component, wherein the cross hole processing component comprises a lifting component and a drilling component, the drilling component is installed on the lifting component and linearly reciprocates in the vertical direction, a drill bit I is arranged on the drilling component, the central line of the drill bit I is parallel to the vertical direction, the chamfering component comprises a translation component I and a chamfering component, the chamfering component is installed on the translation component I and linearly reciprocates in the horizontal direction, a milling blade rotating in the horizontal plane is arranged on the chamfering component, the edge of the milling blade is provided with inclined planes which are symmetrically distributed, the clamping component comprises an upper clamping plate, a lower clamping plate and a lifting cylinder, the upper clamping plate is positioned above the lower clamping plate and is fixed in spatial position, and is provided with a through hole, the central line of the through hole extends in the vertical direction, the through hole penetrates through the upper clamping plate, the central line of the through hole coincides with the central line of the drill bit I, the through hole is positioned on a linear motion path of the drill bit I, the lower clamping plate is installed on a piston rod of the lifting cylinder and linearly reciprocates in the vertical direction, a straight limiting groove is formed in the lower clamping plate, the limiting groove deviates from the linear motion path of the drill bit I, the chamfering component is positioned on one side of the clamping component, the deburring component is positioned on the other side of the clamping component, the deburring component comprises a translation component II and a deburring component, the deburring component is installed on the translation component II and linearly reciprocates in the horizontal direction, the upper drill bit II of the deburring component, the central line of the drill bit II is parallel to the horizontal direction, and the linear reciprocating motion direction of the milling blade and the linear reciprocating motion direction of the drill bit II are parallel to the extending direction of the limiting groove, the extension direction of the limiting groove is perpendicular to the central line of the drill bit I, the central line of the drill bit II is parallel to the extension direction of the limiting groove, the limiting groove is located on a linear motion path of the drill bit II, the linear motion path of the drill bit I and the linear motion path of the drill bit II are intersected below the upper clamping plate, and the linear motion path of the drill bit II and the linear motion path of the lower clamping plate are also intersected below the upper clamping plate.
The clamping member is used to clamp the metal tube, thereby forming the only positioning operation in the whole process. After that, the horizontal hole is drilled, the metal pipe is chamfered and deburred by the horizontal hole machining member, the chamfering member and the deburring member, and finally the sleeve is formed. Because the transverse hole machining part and the chamfering part can be carried out under the condition of time-sharing operation, namely front and back separate operation, technical conditions are provided for the deburring step, and the purposes that drilling and chamfering are realized at the same station and deburring is also realized are achieved. Therefore, the problem of multiple positioning operations caused by manual line production is solved; meanwhile, the process flow is reduced, and the time is saved.
The cross section of the limiting groove is rectangular. The width of the limiting groove is the same as the minimum width of the flat part obtained after the metal pipe is milled to be flat, and the flat part milled by the metal pipe is embedded into the limiting groove during use, so that the structure of the limiting groove can conveniently realize the purpose of placing an operation object to fix the operation object, the processing operation is greatly facilitated, and the space posture effect of fixing the metal pipe is also achieved.
The spatial position of lower plate motion, punch holder is fixed among the clamping part in this technical scheme, realizes clamping part's clamping function through the motion of lower plate between punch holder and the lower plate. Therefore, the upper clamping plate can be acted by a force in the direction opposite to the action direction of gravity, and in order to effectively fix the upper clamping plate and fix the spatial position of the upper clamping plate, the drilling and milling device for processing the biopsy forceps component is provided with a base, the upper clamping plate is integrally in an inverted L shape, one side of the upper clamping plate is provided with a flat plate-shaped part, and the upper clamping plate and the lifting air cylinder are fixed on the base.
The utility model adopts the above technical scheme: the drilling and milling device for processing the biopsy forceps component is respectively used for the transverse hole processing component, the chamfering component and the deburring component through the clamping structure of one fixed operation object, so that the drilling and milling operation is realized under one-time positioning operation, the stability of the product quality is improved, the process flow is greatly reduced, and the technical effect is achieved in the aspects of improving the quality and the production efficiency.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and embodiments.
FIG. 1 is a schematic structural view I of a drilling and milling device for machining biopsy forceps parts according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic structural view II of a clamping member of the drilling and milling device for machining biopsy forceps members according to the present invention;
FIG. 4 is a schematic view of a chamfer assembly of the drilling and milling device for machining the biopsy forceps component of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4;
fig. 6 is a schematic view of the use process of the drilling and milling device for machining the biopsy forceps.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5, and 6, the drilling and milling device for processing biopsy forceps mainly comprises a transverse hole processing component, a chamfering component, a deburring component, a clamping component, and a base, wherein the transverse hole processing component is used for drilling a transverse hole on an operation object, the chamfering component is used for chamfering at a notch position on the operation object, the deburring component is used for removing burrs extending into the notch, and the clamping component is used for clamping the operation object to limit. The transverse hole processing component, the chamfering component, the deburring component and the clamping component are all installed on the base.
The transverse hole machining component comprises a lifting component 1 and a drilling component. Lifting unit 1 includes support, slip table, servo motor 2, lead screw. The bracket is vertically arranged on the base, a guide rail is arranged on the bracket, and the sliding table is movably arranged on the guide rail; after the installation, the slipway can do the straight reciprocating motion of vertical direction on the support. Servo motor 2 fixed mounting is on the support, the screw rod of lead screw and servo motor 2's output shaft, the nut and the slip table fixed connection of lead screw. When the servo motor 2 is started, the sliding table can be driven to do linear reciprocating motion in the vertical direction. The drilling subassembly includes drilling motor and drill bit I3, and drill bit I3 fixed mounting is on the output shaft of drilling motor. Drilling motor fixed mounting is on the slip table. After the installation, the orientation of drill bit I3 is on a parallel with vertical direction and the central line of drill bit I3 is on a parallel with vertical direction, and drill bit I3 follows the slip table and is straight reciprocating motion in vertical direction.
The chamfering component comprises a translation component I4 and a chamfering component 9. Translation subassembly I4 includes support, slip table, flat push cylinder I5. The bracket is horizontally arranged on the base, a guide rail is arranged on the bracket, and the sliding table is movably arranged on the guide rail; after the installation, the sliding table can do linear reciprocating motion in the horizontal direction on the support. The cylinder body of horizontal push cylinder I5 is fixed on the base, and the piston rod and the slip table of horizontal push cylinder I5 are connected. When a piston rod of the horizontal pushing cylinder I5 makes telescopic motion, the sliding table can be driven to make linear reciprocating motion in the horizontal direction. The chamfering assembly 9 comprises a motor and a milling tool comprising a connecting seat 16, a grinding wheel 17, a fastening seat 18. The connecting holder 16 includes a cylindrical connecting portion 19 and a disk-shaped holding portion 12, the diameter of the connecting portion 19 is smaller than that of the holding portion 12, and the center line of the connecting portion 19 coincides with the center line of the holding portion 12. The connection portion 19 is provided with a blind hole for receiving the output shaft of the motor. The connecting portion 19 is provided with a screw hole, and the central line of the screw hole is vertical to the central line of the blind hole. The clamping part is provided with a clamping surface which is of a plane structure. The middle position of the clamping part is provided with a screw hole, the cross section of the screw hole is of a trapezoidal structure and comprises a connecting area 13 with internal threads and an expanding area 14 without threads, and the diameter of the screw hole in the connecting area 13 is smaller than that of the screw hole in the expanding area 14. The grinding wheel 17 is in a disc structure, a round hole is formed in the middle of the grinding wheel 17, and the diameter of the round hole is the same as that of the screw hole in the expansion area 14; the side surface and the two bottom surfaces of the grinding wheel 17 are in transition through an inclined surface 20, and the inclined surface 20 is integrally in a truncated cone side surface structure, that is, the edge of the grinding wheel 17 is provided with the inclined surfaces 20 which are symmetrically distributed. The fastening seat 18 is a disk-shaped structure as a whole, and one side of the fastening seat is a clamping surface with a plane structure. The fastening seat 18 is provided with a through hole 21 at a central position, and the diameter of the through hole 21 is larger than that of the screw hole at the connecting region 13 and smaller than that of the screw hole at the expansion region 14. A limiting bulge 15 is arranged on the fastening seat 18 in the extending direction of the central line of the through hole 21, the limiting bulge 15 is of a circular structure, and the limiting bulge 15 is positioned on one side of the fastening seat 18 where the clamping surface is positioned; the outer diameter of the stop boss 15 is smaller than the diameter of the screw hole in the expanded region 14. During installation, the grinding wheel 17 is firstly sleeved on the limiting bulge 15 of the fastening seat 18, then the limiting bulge 15 of the fastening seat 18 is inserted into the unthreaded expansion area 14 of the screw hole of the clamping part 12 of the connecting seat 16, finally, the bolt penetrates through the through hole 21 of the fastening seat 18 and extends into the threaded connection area 13 of the screw hole of the clamping part, the grinding wheel 17 is positioned between the clamping surface of the connecting seat 16 and the clamping surface of the fastening seat 18, and the fastening seat 18, the grinding wheel 17 and the connecting seat 16 can be installed together and assembled into the milling cutter by screwing the bolt. Then the output shaft of the motor extends into the blind hole of the connecting part 19, and then screws are screwed into the screw holes of the connecting part 19, so that the milling cutter and the motor can be assembled into the chamfering assembly 9. Since the diameter of the grinding wheel 17 is larger than the diameter of the fastening seat 18 and also larger than the diameter of the clamping part 12 of the connecting seat 16, the grinding wheel 17 protrudes outside the milling cutter; the part of the grinding wheel 17 protruding outside the milling cutter is the milling insert 6 of the chamfering assembly 9, and the bevel 20 of the edge of the grinding wheel 17 also becomes the bevel 20 of the edge of the milling insert 6; the bevel 20 is used to form a chamfered structure. The motor is fixedly installed on the sliding table. After installation, the milling blade 6 is in a horizontal space posture, the milling blade 6 makes linear reciprocating motion in the horizontal direction along with the sliding table, and the milling blade 6 rotates in the horizontal plane under the action of the motor.
The clamping means includes an upper clamp plate 7, a lower clamp plate 8, and a lifting cylinder 11. The upper clamping plate 7 is in an inverted L shape as a whole, one side of the upper clamping plate is provided with a flat plate-shaped part, and the upper clamping plate 7 is fixedly arranged on the base. The upper clamping plate 7 is provided with a through hole 21 at the plate-shaped part, the through hole 21 penetrates through the plate-shaped part, the center line of the through hole 21 is overlapped with the center line of the drill I3, and the drill I3 can penetrate through the through hole 21 and is below the plate-shaped part of the upper clamping plate 7 after linear reciprocating motion. The distance from the plate-shaped part of the upper clamp plate 7 to the base is constant, and the lower clamp plate 8 and the lifting cylinder 11 are positioned below the plate-shaped part of the upper clamp plate 7. The cylinder body of the lifting cylinder 11 is fixed on the base, the piston rod of the lifting cylinder 11 is fixedly connected with the lower clamping plate 8, and the lower clamping plate 8 can be lifted or lowered when the piston rod of the lifting cylinder 11 makes telescopic motion, so that the lower clamping plate 8 makes linear reciprocating motion in the vertical direction. The lower clamping plate 8 is provided with a straight limiting groove 10, the extending direction of the limiting groove 10 is parallel to the horizontal direction, so that the extending direction of the limiting groove 10 is perpendicular to the central line of the drill bit I3, and the milling blade 6 is just positioned in the extending direction of the limiting groove 10 after the lower clamping plate 8 is lifted by the lifting cylinder 11. The cross section of the limiting groove 10 is rectangular, although the opening direction of the limiting groove 10 and the direction of the drill bit I3 are parallel to the vertical direction, the opening direction of the limiting groove 10 and the direction of the drill bit I3 are not coincident or intersected, namely, the opening direction of the limiting groove 10 and the direction of the drill bit I3 are staggered, and the limiting groove 10 is not located on the linear motion path of the drill bit I3.
The deburring component comprises a translation assembly II 22 and a deburring assembly. The translation assembly II 22 comprises a support, a sliding table and a horizontal pushing cylinder II 23. The bracket is horizontally arranged on the base, a guide rail is arranged on the bracket, and the sliding table is movably arranged on the guide rail; after the installation, the sliding table can do linear reciprocating motion in the horizontal direction on the support. The cylinder body of the horizontal pushing cylinder II 23 is fixed on the base, and the piston rod of the horizontal pushing cylinder II 23 is connected with the sliding table. When the piston rod of the horizontal pushing cylinder II 23 makes telescopic motion, the sliding table can be driven to make linear reciprocating motion in the horizontal direction. The deburring component comprises a drilling motor and a drill bit II 24, and the drill bit II 24 is fixedly installed on an output shaft of the drilling motor. Drilling motor fixed mounting is on the slip table. After installation, the direction of the drill II 24 is parallel to the horizontal direction, the drill II 24 just faces the milling blade 6, the central line of the drill II 24 is also parallel to the horizontal direction, the drill II 24 makes linear reciprocating motion in the horizontal direction along with the sliding table, and the linear reciprocating motion direction of the drill II 24 is parallel to the central line of the drill II 24. The chamfering component is positioned on one side of the clamping component, and the deburring component is positioned on the other side of the clamping component. The central line of the drill II 24 is also parallel to the extending direction of the limiting groove 10, and the drill II 24 faces to the area on one side of the upper clamping plate 7. The drill bit II 24 can extend into the limiting groove 10 based on a linear motion path of the translation assembly II 22 in a linear reciprocating motion mode, namely the limiting groove 10 is located right ahead of the drill bit II 24 after the lifting cylinder 11 lifts the lower clamping plate 8, and the drill bit II 24 can extend into the limiting groove 10 after the linear motion.
Under the initial condition, drill bit I3 is located the highest position, drill bit I3 is located the position of keeping away from punch holder 7, and horizontal push cylinder I5 is in the shrink state, and milling blade 6 also is located the position of keeping away from punch holder 7, and horizontal push cylinder II 23 is in the shrink state, and drill bit II 24 also is located the position of keeping away from punch holder 7, and lifting cylinder 11 is in the shrink state, and lower plate 8 also is in the position of keeping away from punch holder 7. After the lifting assembly 1 drives the drill bit I3 to descend, the drill bit I3 can penetrate through the through hole 21 on the upper clamping plate 7 and protrude out of one side area of the plate-shaped part of the upper clamping plate 7; after a piston rod of the horizontal pushing cylinder I5 extends out, the milling blade 6 also enters one side area of the plate-shaped part of the upper clamping plate 7; after the piston rod of the horizontal pushing cylinder II 23 extends out, the drill II 24 also enters the area on the other side of the plate-shaped part of the upper clamping plate 7; after the piston rod of the lifting cylinder 11 extends out, the space occupied by the limiting groove 10 of the lower clamping plate 8 is distributed in the lower area of the plate-shaped part of the upper clamping plate 7. The linear motion path of the drill bit I3 and the linear motion path of the drill bit II 24 intersect below the upper clamping plate 7, and meanwhile, the linear motion path of the drill bit II 24 also intersects with the linear motion path of the lower clamping plate 8 below the upper clamping plate 7.
One end of the processed but not completely processed metal tube is milled flat, and a notch is arranged along the center line of the metal tube and is communicated with an original jack on the center line of the metal tube. When the metal pipe drilling tool is used, a machined metal pipe which is not completely machined is placed in the limiting groove 10, the width of the end, milled to be flat, of the metal pipe is equal to the width of the limiting groove 10, the flat end of the metal pipe is embedded into the limiting groove 10 and clamped by the upper clamping plate 7 and the lower clamping plate 8 after the lower clamping plate 8 rises to limit the position, the space posture of the metal pipe is limited, and the drilling machining precision of a transverse hole is guaranteed. Then, the drill bit I3 descends, a transverse hole is drilled in the metal pipe, the center line of the transverse hole is perpendicular to and intersected with the center line of the metal pipe, and the formed transverse holes are distributed on two sides of the notch; the drill bit I3 ascends and returns to the initial state, then the milling blade 6 moves horizontally and linearly from one side of the upper clamping plate 7, only one end of the notch of the metal pipe is milled, the thickness of the milling blade 6 is larger than the width of the notch, the inclined surface 20 on the milling blade 6 continuously mills the metal pipe, and a chamfer structure is gradually formed at the notch of the metal pipe. After the chamfer is obtained the milling insert 6 is restored to the initial position. Then, the drill II 24 is moved linearly horizontally from the other side of the upper clamp plate 7, the drill II 24 is inserted into the notch through the insertion hole of the metal pipe, and the drill II 24 rotating at a high speed removes burrs formed in the notch due to the cross hole drilled by the drill I3 and burrs formed in the notch due to the cutting by the milling blade 6. After the drill bit II 24 moves reversely to the initial position and the lower clamping plate 8 descends, the sleeve formed by machining the metal pipe can be removed.