CN102794645A - Numerical control pinhole machining device - Google Patents
Numerical control pinhole machining device Download PDFInfo
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- CN102794645A CN102794645A CN2011101383549A CN201110138354A CN102794645A CN 102794645 A CN102794645 A CN 102794645A CN 2011101383549 A CN2011101383549 A CN 2011101383549A CN 201110138354 A CN201110138354 A CN 201110138354A CN 102794645 A CN102794645 A CN 102794645A
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Abstract
The invention discloses a numerical control pinhole machining device comprising a working table, a grade rotary clamp and a three-working-position precise machining machine which are arranged on a machine tool body; the grade rotary clamp is arranged on the working table, wherein the working table is driven to a preset working position by a working servo motor so as to machine a pinhole; the three working position precise machining machine comprises a pinhead three-prism plane numerical control micro milling machine, a pinhead circumferential numerical control drilling machine and a numerical control electrochemical burring machine which are vertically arranged at set positions on the machine tool body respectively and are used for carrying out three-prism plane milling on a medical pinhead, drilling holes and burring drilled holes and inner hole surfaces of pinholes respectively. The numerical control pinhole machining device is rapid in speed and high in efficiency in machining medical pinheads; the pin point three-prism milling, micro hole drilling and burring can be accomplished synchronously by using only one device; the quality of a product is improved; and moreover the device is simple in structure and convenient to operate.
Description
Technical field
The present invention relates to a kind of three station digital control processing machines, specifically relate to a kind of micropore numerical control processing apparatus of new medical syringe needle.
Background technology:
Syringe needle is the medical supplies of clinical use.The injection orifice of the injection needle that uses at present has only one, and needle point is the inclined-plane of band chamfered edge, no matter is through muscle or through the intravascular injection medicine, and patient is keenly felt by force, is easy to form scleroma; Because the injection orifice of syringe needle is on the inclined-plane of needle point, the pin hole of this structure injects the solid debris on the container cover in patient's the body with soup easily in the lump when from medicine bottle, extracting soup, brings unsafe factor.Even new pin also can be when injection the tissue of muscle or vascular wall is formed in the body that chip injects patient, bring very big hidden danger.
Summary of the invention
The object of the present invention is to provide a kind of rational in infrastructure, use is reliable, simple to operate, crudy is good, can be to needle point grinding three faceted pebbles, bore the numerical control pin hole processing unit (plant) of the medical needle of micropore, deburring.
The technical scheme that adopts is:
A kind of numerical control pin hole processing unit (plant) comprises lathe bed, three station Precision Machining machines, calibration rotary jig, calibration rotary jig driving mechanism, pneumatic control unit, Hydraulic Station, cooling unit, electric control system and electrochemistry processing power source.
On lathe bed, be arranged with two guide rails in parallel; Calibration rotary jig driving mechanism comprises workbench servomotor, workbench and leading screw.On the lower surface of workbench, be separately installed with four slide blocks and screw; Four slide blocks and two guide rails are slidingly matched; And can slide along two guide rails, screw is connected with threads of lead screw, two axle heads of leading screw respectively with corresponding bearing matching and fixing on lathe bed; One end of leading screw is connected with the workbench servomotor through shaft coupling, makes the rotation of motor change moving of workbench into.The calibration rotary jig is installed on the workbench, with the station of movable workbench to appointment.
The automatic indexing rotary jig comprises wedge, clamp body, rotary cylinder, gyroaxis, driving gear, driven gear, ratchet, mandrel and index dial.Wedge is fixed on the workbench, and clamp body is fixed on the wedge through hold-down nut, the circular hole location on rotary cylinder and the clamp body; And use bolt; The gyroaxis rear end is connected with rotary cylinder, and driving gear is installed on the gyroaxis, driving gear and driven gear engagement.Rotary cylinder drives gyroaxis and rotates, and rotates thereby make driving gear drive driven gear.Be equiped with first spring at the driven gear inner chamber, first spring contacts with ratchet, and ratchet is connected through key with mandrel.Index dial is installed on the mandrel; Index dial upper edge 120 degree are evenly equipped with three taper holes and are used for positioning of rotating; Be equiped with positioning ball respectively in three taper holes, on clamp body, be respectively equipped with spring housing, be equiped with adjustment nut and the 4th spring in each spring housing respectively with three corresponding positions of taper hole.Positioning ball is by the 4th spring and adjustment nut adjustment location contact force of correspondence.The mandrel two ends are supported by two bearings in the bearing block that is installed on the clamp body respectively.
Mandrel has inner chamber, and the front end of mandrel has the syringe needle jack, in the inner chamber of mandrel, is equiped with pre-determined bit piece, the 3rd spring and locking nut successively.Front end at mandrel is provided with piston/cylinder; Piston/cylinder is threaded with the front end of clamp body; In piston/cylinder, be equiped with piston, piston has conical surface inner chamber, in the conical surface inner chamber of piston, is equiped with elastic conical drogue; The male cone (strobilus masculinus) of elastic conical drogue cooperates with the inner conical surface of piston, when piston moves, clamps and release of needle (workpiece).Before processing, syringe needle to be processed (workpiece) is inserted in the mating holes of elastic conical drogue, the degree of depth of insertion is confirmed that by the pre-determined bit piece that is contained in the mandrel inner chamber position of pre-determined bit piece is by the 3rd spring and locking nut adjustment.
Three station precision processing machines go stingless machine to form by the little milling drum of syringe needle three faceted pebble numerical controls of first station, the circumferential digital control drilling machine of needle point of second station and the numerical control electrochemistry of the 3rd station.
The little milling drum of said syringe needle three faceted pebble numerical controls comprises emery wheel and grinding support driving mechanism, a grinding support driving mechanism; Comprise column, slide, first screw, first leading screw, first servomotor, electric main shaft chuck, electric main shaft and connecting plate; Column is fixed on the lathe bed, and vertical with workbench, and a side of slide is equiped with four slide blocks and first screw respectively; On column, vertically be fixed with guide rail; Four slide blocks and guide rail are slidingly matched, and first screw is connected with first threads of lead screw, two axle heads of first leading screw respectively with two bearing matching and fixing on column; One end of first leading screw is connected with the output shaft of first servomotor through shaft coupling, makes the rotation of motor change the vertical mobile of workbench into.The opposite side of connecting plate and slide is fixedly connected, and electric main shaft chuck is connected fixing with connecting plate, and the external diameter of electric main shaft and the endoporus of connecting plate lock fixing.The output shaft of electricity main shaft is connected with emery wheel, drives emery wheel and rotates, to being fixed on workpiece (syringe needle) grinding on the rotary indexing fixture.
The circumferential digital control drilling machine of said syringe needle comprises micropore drill bit and drill bit support driving mechanism, and the drill bit support driving mechanism is structurally identical with a grinding support driving mechanism.The output shaft of the electric main shaft of micropore drill bit support driving mechanism is connected with the micropore drill bit, drives drill bit and rotates, to being fixed on the syringe needle boring processing on the rotary indexing fixture.
The numerical control electrochemical deburring machine comprises an electric machining head and electric machining support driving mechanism, and an electric machining support driving mechanism is structurally identical with a grinding support driving mechanism, and the electric machining head comprises microelectrode, nut, electric tapered sleeve, insulation sleeve.In the internal taper hole of the output of the electric main shaft in the electric machining support driving mechanism inner conical drogue is housed, pack into the endoporus of insulation sleeve of the insulation sleeve of in the endoporus of inner conical drogue, packing into, microelectrode, nut is connected firm microelectrode with the output external screw thread of this electricity main shaft.
Microelectrode links to each other with the negative pole that applies power supply; The workpiece (syringe needle) that is fixed on the rotary indexing fixture links to each other with the positive pole of power supply; Microelectrode does not contact with the endoporus of syringe needle; Keep certain clearance and under the effect of electrochemistry liquid the microporous burr to syringe needle carry out the electrochemistry grinding, remove the burr of bore area.
Said electric control unit, Hydraulic Station, cooling unit, electric control system and electrochemistry processing power source are known technology.
Employing the present invention is fast to the medical needle process velocity, efficient is high, can accomplish triangular of grinding needle point, micro-drilling and deburring simultaneously through a table apparatus, improved product quality, and this apparatus structure is simple, easy to operate.
Description of drawings
Fig. 1 is a kind of example structure sketch map of the present invention.
Fig. 2 is the little milling drum structural representation of numerical control.
Fig. 3 is the digital control drilling machine structural representation.
Fig. 4 is a numerical control electrochemical deburring machine structural representation.
Fig. 5 is an automatic indexing rotary jig structural representation.
The specific embodiment
A kind of numerical control pin hole processing unit (plant) comprises lathe bed 1, three station Precision Machining machines, calibration rotary jig 13, calibration rotary jig driving mechanism, pneumatic control unit, Hydraulic Station, cooling unit, electric control system and electrochemistry processing power source.
On lathe bed 1, be arranged with two guide rails 11 in parallel; Calibration rotary jig driving mechanism comprises workbench servomotor 2, workbench 7 and leading screw 5.On the lower surface of workbench 7, be separately installed with four slide blocks 12 and screw 6; Four slide blocks 12 and two guide rails 11 are slidingly matched; And can slide along two guide rails 11; Screw 6 is threaded with leading screw 5, two axle heads of leading screw 5 respectively with corresponding bearing 4 matching and fixing on lathe bed 1, an end of leading screw 6 is connected with workbench servomotor 2 through shaft coupling 3.Calibration rotary jig 13 is installed on the workbench, with the station of movable workbench to appointment.
Automatic indexing rotary jig 13; Comprise wedge 34, clamp body 35, rotary cylinder 37, gyroaxis 38, driving gear 39, driven gear 40, ratchet 42, mandrel 48 and index dial 52; Wedge 34 is fixed on the workbench 7, and clamp body 35 is fixed on the wedge 34 through hold-down nut 36, and rotary cylinder 37 is located with the circular hole on the clamp body 35; And use bolt; Gyroaxis 38 rear ends are connected with rotary cylinder 37, and driving gear 39 is installed on the gyroaxis 38, driving gear 39 and driven gear 40 engagements.Be equiped with first spring, 41, the first springs 41 at the inner chamber of driven gear 40 and contact with ratchet 42, ratchet 42 is connected through key 43 with mandrel 48.Index dial 52 is installed on the mandrel 48; Index dial 52 upper edges 120 degree are evenly equipped with three taper holes and are used for positioning of rotating; Be equiped with positioning ball 53 respectively in three taper holes; On clamp body 35, be respectively equipped with spring housing, be equiped with adjustment nut 55 and the 4th spring 54 in each spring housing respectively with three corresponding positions of taper hole.Positioning ball 53 is by the 4th spring 54 and adjustment nut 55 adjustment location contact forces.Mandrel 48 two ends are supported by the bearing that is installed in the bearing block corresponding on the clamp body 35 respectively.
Mandrel 48 has inner chamber 44, and the front end of mandrel 48 has the syringe needle jack, in the inner chamber 44 of mandrel 48, is equiped with pre-determined bit piece 49, the 3rd spring 50 and locking nut 51 successively.Front end at mandrel 48 is provided with piston/cylinder 56; Piston/cylinder 56 is threaded with the front end of clamp body 35; In piston/cylinder, be equiped with piston 45, piston 45 has conical surface inner chamber, in the conical surface inner chamber of piston 45, is equiped with elastic conical drogue 46; The male cone (strobilus masculinus) of elastic conical drogue 46 cooperates with the inner conical surface of piston 45, when piston moves, clamps and release of needle 47 (workpiece).Before processing, syringe needle 47 to be processed (workpiece) is inserted in the mating holes of elastic conical drogue 46, the degree of depth of insertion is confirmed that by the pre-determined bit piece 49 that is contained in mandrel 48 inner chambers position of pre-determined bit piece 49 is by the 3rd spring 50 and locking nut 51 adjustment.
Three station precision processing machines go stingless machine to form by the little milling drum of syringe needle three faceted pebble numerical controls of first station, the circumferential digital control drilling machine of needle point of second station and the numerical control electrochemistry of the 3rd station.
The little milling drum of said syringe needle three faceted pebble numerical controls comprises emery wheel 14, first servomotor 21 and grinding supporting mechanism 8, and grinding head support mechanism 8 comprises column 26, slide 18, first leading screw 24, electric main shaft chuck 15, electric main shaft 16 and connecting plate 17; Column 26 is fixed on the lathe bed 1; And vertical with workbench 7, a side of slide 18 is equiped with four slide blocks 19 and first screw 25 respectively, on column 26, vertically is fixed with guide rail 20; Four slide blocks 19 are slidingly matched with guide rail 20; First screw 25 is threaded with first leading screw 24, two axle heads of first leading screw 24 respectively with two bearing 23 matching and fixing on column 26, an end of first leading screw 24 is connected with the output shaft of first servomotor 21 through shaft coupling 22.Connecting plate 17 is fixedly connected with the opposite side of slide 18, and electric main shaft chuck 15 is connected fixing with connecting plate 17, and the endoporus of the external diameter of electric main shaft 16 and connecting plate 17 locks fixing.The output shaft of electricity main shaft 16 is connected with emery wheel 14.
The circumferential digital control drilling machine of said syringe needle comprises micropore drill bit 27, second servomotor 28 and drill bit support driving mechanism 9, and drill bit support driving mechanism 9 is structurally identical with a grinding support driving mechanism 8.The output shaft of the electric main shaft 16 of micropore drill bit support driving mechanism is connected with micropore drill bit 27.
The numerical control electrochemical deburring machine; Comprise electric machining head, the 3rd servomotor 33 and an electric machining support driving mechanism 10; An electric machining support driving mechanism 10 is structurally identical with grinding head support mechanism 8, and the electric machining head comprises microelectrode 29, nut 30, inner conical drogue 31, insulation sleeve 32.In the internal taper hole of the output of the electric main shaft 16 in the electric machining support driving mechanism 10 inner conical drogue 31 is housed; The insulation sleeve 32 of in the endoporus of inner conical drogue 31, packing into; Pack into the endoporus of insulation sleeve 32 of microelectrode 29, nut 30 is connected with the output external screw thread of this electricity main shaft, firm microelectrode 29.
Microelectrode links to each other with the negative pole that applies power supply, and the workpiece (syringe needle) that is fixed on the rotary indexing fixture links to each other with the positive pole of power supply, and microelectrode does not contact with the endoporus of syringe needle.
Claims (1)
1. numerical control pin hole processing unit (plant); Comprise lathe bed (1), three station Precision Machining machines, calibration rotary jig (13), calibration rotary jig driving mechanism, pneumatic control unit, Hydraulic Station, cooling unit, electric control system and electrochemistry processing power source, it is characterized in that being arranged with in parallel on the described lathe bed (1) two guide rails (11); Calibration rotary jig driving mechanism; Comprise workbench servomotor (2), workbench (7) and leading screw (5), on the lower surface of workbench (7), be separately installed with four slide blocks (12) and screw (6), four slide blocks (12) are slidingly matched with two guide rails (11); And can slide along two guide rails (11); Screw (6) is threaded with leading screw (5), two axle heads of leading screw (5) respectively with corresponding bearing matching and fixing on lathe bed (1), an end of leading screw (6) is connected with workbench servomotor (2) through shaft coupling (3); Calibration rotary jig (13) is installed on the workbench, with the station of movable workbench to appointment;
Automatic indexing rotary jig (13); Comprise wedge (34), clamp body (35), rotary cylinder (37), gyroaxis (38), driving gear (39), driven gear (40), ratchet (42), mandrel (48) and index dial (52); Wedge (34) is fixed on the workbench (7), and clamp body (35) is fixed on the wedge (34) through hold-down nut (36), and rotary cylinder (37) is located with the circular hole on the clamp body (35); And use bolt; Gyroaxis (38) rear end is connected with rotary cylinder (37), and driving gear (39) is installed on the gyroaxis (38), driving gear (39) and driven gear (40) engagement; Inner chamber at driven gear (40) is equiped with first spring (41); First spring (41) contacts with ratchet (42), and ratchet (42) is connected through key (43) with mandrel (48), and index dial (52) is installed on the mandrel (48); Index dial (52) upper edge 120 degree are evenly equipped with three taper holes and are used for positioning of rotating; Be equiped with positioning ball (53) in three taper holes respectively, go up with three corresponding positions of taper hole at clamp body (35) and be respectively equipped with spring housing, be equiped with adjustment nut (55) and the 4th spring (54) in each spring housing respectively; Positioning ball (53) is by the 4th spring (54) and adjustment nut (55) adjustment location contact force, and mandrel (48) two ends are supported by the bearing that is installed in the upward corresponding bearing block of clamp body (35) respectively;
Mandrel (48) has inner chamber (44); The front end of mandrel (48) has the syringe needle jack; In the inner chamber (44) of mandrel (48), be equiped with pre-determined bit piece (49), the 3rd spring (50) and locking nut (51) successively, be provided with piston/cylinder (56) at the front end of mandrel (48), piston/cylinder (56) is threaded with the front end of clamp body (35); In piston/cylinder, be equiped with piston (45); Piston (45) has conical surface inner chamber, in the conical surface inner chamber of piston (45), is equiped with elastic conical drogue (46), and the male cone (strobilus masculinus) of elastic conical drogue (46) cooperates with the inner conical surface of piston (45);, piston clamps and release of needle (47) when moving; Before processing, syringe needle to be processed (47) is inserted in the mating holes of elastic conical drogue (46), the degree of depth of insertion is confirmed that by the pre-determined bit piece (49) that is contained in mandrel (48) inner chamber position of pre-determined bit piece (49) is by the 3rd spring (50) and locking nut (51) adjustment;
Three station precision processing machines go stingless machine to form by the little milling drum of syringe needle three faceted pebble numerical controls of first station, the circumferential digital control drilling machine of needle point of second station and the numerical control electrochemistry of the 3rd station;
The little milling drum of said syringe needle three faceted pebble numerical controls; Comprise emery wheel (14), first servomotor (21) and grinding support driving mechanism (8); A grinding support driving mechanism (8) comprises column (26), slide (18), first leading screw (24), electric main shaft chuck (15), electric main shaft (16) and connecting plate (17); Column (26) is fixed on the lathe bed (1); And it is vertical with workbench (7); One side of slide (18) is equiped with four slide blocks (19) and first screw (25) respectively; On column (26), vertically be fixed with guide rail (20), four slide blocks (19) are slidingly matched with guide rail (20), and first screw (25) is threaded with first leading screw (24); Two axle heads of first leading screw (24) respectively with two bearings (23) matching and fixing on column (26); One end of first leading screw (24) is connected with the output shaft of first servomotor (21) through shaft coupling (22), and connecting plate (17) is fixedly connected with the opposite side of slide (18), and electric main shaft chuck (15) is connected fixing with connecting plate (17); The external diameter of electricity main shaft (16) and the endoporus of connecting plate (17) lock fixing, and the output shaft of electric main shaft (16) is connected with emery wheel (14);
The circumferential digital control drilling machine of said syringe needle; Comprise micropore drill bit (27), second servomotor (28) and drill bit support driving mechanism (9); Drill bit support driving mechanism (9) is structurally identical with a grinding support driving mechanism (8), and the output shaft of the electric main shaft (16) of micropore drill bit support driving mechanism is connected with micropore drill bit (27);
The numerical control electrochemical deburring machine; Comprise electric machining head, the 3rd servomotor (33) and an electric machining support driving mechanism (10); An electric machining support driving mechanism (10) is structurally identical with a grinding support driving mechanism (8); The electric machining head comprises microelectrode (29), nut (30), electric tapered sleeve (31), insulation sleeve (32); In the internal taper hole of the output of the electric main shaft (16) in the electric machining support driving mechanism (10) inner conical drogue (31) is housed, pack into the endoporus of insulation sleeve (32) of the insulation sleeve (32) of in the endoporus of inner conical drogue (31), packing into, microelectrode (29); Nut (30) is connected with the output external screw thread of this electricity main shaft, firm microelectrode (29);
Microelectrode links to each other with the negative pole that applies power supply, and the workpiece that is fixed on the rotary indexing fixture links to each other with the positive pole of power supply, and microelectrode does not contact with the endoporus of syringe needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101383549A CN102794645A (en) | 2011-05-26 | 2011-05-26 | Numerical control pinhole machining device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101383549A CN102794645A (en) | 2011-05-26 | 2011-05-26 | Numerical control pinhole machining device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273402A (en) * | 2013-03-29 | 2013-09-04 | 大连佳德恒电子工业有限公司 | Multi-station electrolysis precise grinding automatic machine |
| CN105196145A (en) * | 2015-10-09 | 2015-12-30 | 温州职业技术学院 | Forming system and forming technology for cutting edge |
| CN107999811A (en) * | 2017-11-29 | 2018-05-08 | 刘馨 | A kind of efficient perforating device of mechanical processing |
| CN113751576A (en) * | 2021-09-08 | 2021-12-07 | 马小芳 | Automatic punching device of packing ring for industrial production |
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| CN107999811A (en) * | 2017-11-29 | 2018-05-08 | 刘馨 | A kind of efficient perforating device of mechanical processing |
| CN113751576A (en) * | 2021-09-08 | 2021-12-07 | 马小芳 | Automatic punching device of packing ring for industrial production |
| CN113751576B (en) * | 2021-09-08 | 2024-01-23 | 重庆市梁平区文爵机械制造有限公司 | Automatic punching device for gasket for industrial production |
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Application publication date: 20121128 |