Catheter face coat curing
Technical field
The present invention relates to medicine equipment process automation equipment, relate to one particularly and automatically complete doctor's catheter surface curing of coatings machine.
Background technology
The scope of application of catheter is wide, is mainly used in operation CVC and various intubate, treatment and the various monitoring nutrition ascending pipe of nursing and blowdown pipe and diagnoses and PCI various conduits etc.Catheter brings easily simultaneously to clinical treatment, also there are some problems.Because catheter adopts hydrophobic material to make, during use, frictional force is comparatively large, and patient is often with calcination and pain, and easily cause the blood vessel of patient, the damage of cavity organization, serious brings complication.Therefore, the surface requirements of catheter has lubricity.
PVP (PVP, Poly (vinyl pyrrolidone)) is a kind of water-soluble high-molecular material, has good biocompatibility and hydrophily.Being coated in by solution containing PVP has on the catheter of hydrophobic surface, again after the UV light irradiates of some strength, PVP material solidify to form one deck composite lubricating film and difficult drop-off in catheter dry tack free rapidly, and surface has the catheter of PVP coat to have super lubrication when Clinical practice.But due to PVP solution cured time require higher to the light intensity of ultraviolet light, the curing apparatus of current catheter face coat can only be cured shorter conduit mostly, and, ultraviolet light source uses high-pressure sodium lamp mostly, power consumption is larger, heating is strong, and efficiency is comparatively low, is further improved.
Summary of the invention
Technical problem to be solved by this invention is, a kind of catheter face coat curing is provided, can realizes automatically making PVP coat dry solidification fast, expand again the solidification length scope of application of catheter, and, also there is the feature of high-efficiency low energy consumption.
The present invention realizes like this, a kind of catheter face coat curing is provided, comprise cabinet, control panel and electromagnetic door is provided with in the front of cabinet, casing is provided with in all the other sides of cabinet, be vertically disposed with upper bracket and lower carriage in cabinet, immediately below lower carriage, be provided with test tube box, in test tube box, be loaded with the solution containing PVP; Conduit automatic hoisting mechanism, conduit rotating mechanism and lamp box straight-line motion mechanism is provided with between carrier parts, conduit automatic hoisting mechanism comprises guide rail matrix and the ball screw cooperatively interacted and screw mandrel slide unit, guide rail matrix is fixed in case side wall, ball screw is arranged on guide rail matrix, and screw mandrel slide unit is socketed on ball screw and moves up and down with ball screw; Conduit rotating mechanism to be arranged on screw mandrel slide unit and to move up and down with screw mandrel slide unit, conduit rotating mechanism comprises conduit support frame and complete rotating shaft, rhombus rolling bearing units and the catheter clamp of some assemblings, each rotating shaft is fixed on conduit support frame by rhombus rolling bearing units, catheter clamp is arranged on the bottom of rotating shaft, and conduit is removably mounted in catheter clamp; Lamp box straight-line motion mechanism comprises cylinder and lamp box, and cylinder is fixed on lower carriage and drives lamp box left and right transverse shifting; Conduit automatic hoisting mechanism drives conduit rotating mechanism to move down, conduit can be immersed in the solution containing PVP of test tube box, and can upwards rise to lamp box place with conduit automatic hoisting mechanism, lamp box is provided with the PVP solution that ultraviolet source can be stained with catheter surface and carries out dry solidification.
Further, conduit automatic hoisting mechanism also comprises servomotor, two cylinder slide rails, slide unit link, stepper motor and driving gear, servomotor is positioned at the sidepiece of guide rail matrix, servomotor directly drives ball screw to rotate, two cylinder slide rails to be arranged on guide rail matrix and to be positioned at the both sides of ball screw, screw mandrel slide unit to be also socketed on cylinder slide rail and to slide up and down on cylinder slide rail, slide unit link is fixed on screw mandrel slide unit, stepper motor is fixed on slide unit link, driving gear is arranged on the output shaft of stepper motor, conduit rotating mechanism is arranged on slide unit link.
Further, conduit rotating mechanism also comprises the some swing pinions supporting with rotating shaft, swing pinion is also socketed on the rotary shaft and is positioned at the top of rhombus rolling bearing units, and each swing pinion engages each other in a cluster, and driving gear engages with certain swing pinion hithermost.
Further, lamp box straight-line motion mechanism also comprises rectilinear orbit, lower rectilinear orbit, get on the right track slide block and lower railway slide block, upper rectilinear orbit and lower rectilinear orbit are separately fixed at the bottom surface of upper bracket and the end face of lower carriage, get on the right track slide block and lower railway slide block slides respectively on upper rectilinear orbit and lower rectilinear orbit, and lamp box is fixedly connected with get on the right track slide block and lower railway slide block.
Further, lamp box comprises lamp bracket and is arranged on the some ultraviolet lamp tubes on lamp bracket.
Further, ultraviolet lamp tube is fluorescent tube.
Further, lamp box is also provided with high glass and heat abstractor thoroughly, high glass is thoroughly positioned at lamp box near conduit side, and heat abstractor is positioned at the outside portion of lamp box.
Further, heat abstractor comprises induced draft fans and air blast, and induced draft fans is positioned at the side surface upper part of lamp box, and air blast is positioned at the side lower of lamp box.
Further, the quantity of lamp box is two, lays respectively at the both sides of conduit.
Further, be provided with tangible control flow and switch control knob on the control panel, electromagnetic door is provided with handle.
Compared with prior art, the beneficial effect of catheter face coat curing of the present invention:
1. system architecture is succinct, is easy to layout;
2. automaticity is high, simple to operate;
3. solidify catheter length long, compatible good;
4. two-sided high-intensity light source solidification, solidification effect is good, and efficiency is high.
Accompanying drawing explanation
Fig. 1 is the floor map of a preferred embodiment of the present invention;
Fig. 2 is the floor map of conduit rotating mechanism in Fig. 1;
Fig. 3 is the floor map of conduit automatic hoisting mechanism in Fig. 1;
Fig. 4 is the floor map of lamp box straight-line motion mechanism in Fig. 1;
Fig. 5 is the side view of Fig. 4.
Detailed description of the invention
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Please refer to shown in Fig. 1 to Fig. 4, the preferred embodiment of catheter face coat curing of the present invention, comprises cabinet 38, is provided with control panel 4 and electromagnetic door 18 in the front of cabinet 38, be provided with casing in all the other sides of cabinet 38, in cabinet 38, be vertically disposed with upper bracket 35 and lower carriage 16.Immediately below lower carriage 16, be provided with test tube box 13, in test tube box 13, be loaded with the solution containing PVP.In the present embodiment, cabinet 38 to be built as crossbeam and column by the square steel 3 of 40*40*3 and is welded, in order to carry whole equipment and the carrier as inner each parts.Control panel 4 is positioned at the right side of cabinet 38, and electromagnetic door 18 is positioned at the left side of cabinet 38.
Conduit automatic hoisting mechanism, conduit rotating mechanism and lamp box straight-line motion mechanism is provided with between upper bracket 35 and lower carriage 16.Conduit automatic hoisting mechanism comprises guide rail matrix 26 and the ball screw 25 cooperatively interacted and screw mandrel slide unit 20.Conduit rotating mechanism to be arranged on screw mandrel slide unit 20 and to move up and down with screw mandrel slide unit 20, and conduit automatic hoisting mechanism drives conduit rotating mechanism to move down.Lamp box straight-line motion mechanism comprises cylinder 12 and lamp box 7, and cylinder 12 is fixed on lower carriage 16 and drives lamp box about 7 transverse shifting.Conduit 9 can be immersed in the solution containing PVP of test tube box 13, and can upwards rise to lamp box 7 place with conduit automatic hoisting mechanism, and lamp box 7 is provided with ultraviolet source can carry out dry solidification to the PVP solution that conduit 9 surface is stained with.
The guide rail matrix 26 of conduit automatic hoisting mechanism is mounted by means of bolts on cabinet 38 sidewall, and ball screw 25 is arranged on guide rail matrix 26, and screw mandrel slide unit 20 is socketed on ball screw 25 and moves up and down with ball screw 25.Ball screw 25 is as the change of power transmission and power direction.Conduit automatic hoisting mechanism also comprises servomotor 2, two cylinder slide rails 19, slide unit link 36, stepper motor 1 and driving gears 37.Servomotor 2 is positioned at the sidepiece of guide rail matrix 26, in the present embodiment, servomotor 2 is arranged on the top of guide rail matrix 26, servomotor 2 directly drives ball screw 25 to rotate, two cylinder slide rails 19 to be arranged on guide rail matrix 26 and to be positioned at the both sides of ball screw 25, in order to supplemental support leading screw slide unit 20.Screw mandrel slide unit 20 to be also socketed on cylinder slide rail 19 and to slide up and down on cylinder slide rail 19.When servomotor 2 rotates, directly driving ball-screw 25 to rotate, through the commutation of screw pair, is that leading screw slide unit 20 does upper and lower rectilinear motion on two cylinder slide rails 19 converting rotary motion.Slide unit link 36 is fixed by screws on screw mandrel slide unit 20, and stepper motor 1 is fixed on slide unit link 36.Driving gear 37 is arranged on the output shaft of stepper motor 1, and conduit rotating mechanism entirety can be arranged on slide unit link 36 easily, and the swing pinion 8 of conduit rotating mechanism can be engaged with driving gear 37 at once.When stepper motor 1 rotates, every root conduit 9 all can be rotated by driving gear 37 and each swing pinion 8.
Conduit rotating mechanism comprises conduit support frame 22 and complete rotating shaft 23, rhombus rolling bearing units 24 and the catheter clamp 21 of some assemblings.Each rotating shaft 23 is fixed on conduit support frame 22 by rhombus rolling bearing units 24, and catheter clamp 21 is arranged on the bottom of rotating shaft 23, and conduit 9 is removably mounted in catheter clamp 21.The present embodiment is provided with the assemblies such as ten cover rotating shafts 23 and conduit 9 at conduit support frame 22.Conduit rotating mechanism also comprises the some swing pinions 8 supporting with rotating shaft 23.Swing pinion 8 to be also socketed on rotating shaft 23 and to be positioned at the top of rhombus rolling bearing units 24, and each swing pinion 8 engages each other in a cluster, and driving gear 37 engages with certain swing pinion 8 hithermost.Conduit support frame 22 is as the body supports of conduit rotating mechanism, ten rhombus rolling bearing units 24 are fixedly mounted on conduit support frame 22 by screw, ten rotating shafts 23 are arranged on ten rhombus rolling bearing units 24 respectively, and every root rotating shaft 23 all can rotary motion in rhombus rolling bearing units 24.A catheter clamp 21 is installed in every root rotating shaft 23 lower end, and catheter clamp 21 can clamp conduit 9 fast easily, conveniently realizes the handling of conduit 9.A swing pinion 8 is installed in the upper end of every root rotating shaft 23, engages each other, can realize the transmission of rotary motion between each swing pinion 8, and each conduit 9 can be rotated.Before equipment starts running, operating personnel open electromagnetic door 18 by handle 17, and the conduit rotating mechanism entirety assembled is loaded in conduit automatic hoisting mechanism.
Conduit automatic hoisting mechanism can drive conduit about 9 rectilinear motion.During the downward movement of conduit automatic hoisting mechanism, conduit 9 can be immersed in the test tube box 13 of the solution containing PVP.After conduit 9 soaks a period of time, conduit automatic hoisting mechanism starts upstroke.Surface adhesion has the conduit 9 of PVP solution to rise until depart from test tube box 13 and rest on the precalculated position of lamp box 7, the light curtain accepting the ultraviolet light that lamp box 7 sends irradiates, stepper motor 1 starts to rotate simultaneously, make conduit 9 receive the irradiation of ultraviolet light more evenly, strengthen the solidification effect of the surperficial PVP coated film of conduit 9.
Lamp box straight-line motion mechanism also comprises rectilinear orbit 6, lower rectilinear orbit 31, get on the right track slide block 28 and lower railway slide block 30, upper rectilinear orbit 6 and lower rectilinear orbit 31 are respectively by the end face of the bottom surface and lower carriage 16 that are bolted to upper bracket 35, get on the right track slide block 28 and lower railway slide block 30 is arranged in the chute of rectilinear orbit 6 and lower rectilinear orbit 31 respectively, can easily freely slide on upper rectilinear orbit 6 and lower rectilinear orbit 31.Lamp box 7 is fixedly connected with get on the right track slide block 28 and lower railway slide block 30.The transverse shifting of lamp box straight-line motion mechanism also conveniently picks and places conduit rotating mechanism.
Lamp box 7 comprises lamp bracket and is arranged on the some ultraviolet lamp tubes 29 on lamp bracket.In the present embodiment, ultraviolet lamp tube 29 is fluorescent tube, and 12 fluorescent tubes are housed in lamp box 7, forms the comparatively uniform ultraviolet area source of a light intensity.When surface adhesion has the conduit 9 of PVP solution when conduit automatic hoisting mechanism motion upstroke is to precalculated position, cylinder 12 is automatically opened the ultraviolet area source pushing away lamp box 7 and is moved to precalculated position.After arriving precalculated position, the PVP solution on conduit 9 surface starts rapid solidification under the irradiation of high intensity ultraviolet light.After having solidified, cylinder 12 is again automatically opened and lamp box 7 is withdrawn into initial position, completes one-step solidification circulation, for the solidification of the conduit 9 of another time has been prepared.
Lamp box 7 is also provided with high glass 33 and heat abstractor thoroughly.High glass 33 is thoroughly positioned at lamp box 7 near conduit 9 side, and heat abstractor is positioned at the outside portion of lamp box 7.Because ultraviolet lamp tube 29 works long hours inner at the lamp box 7 closed, self-heating also makes the temperature in lamp box 7 raise, and needs heat abstractor to carry out cooling process.The heat abstractor of the present embodiment comprises induced draft fans 32 and air blast 34, induced draft fans 32 is positioned at the side surface upper part of lamp box 7, air blast 34 is positioned at the side lower of lamp box 7, effectively controlled by the internal temperature of air cooling way to lamp box 7, make this equipment better can complete solidification to the surperficial PVP coating of conduit 9.
In order to increase the intensity of ultraviolet, shorten hardening time, in another embodiment of the present invention, the quantity of lamp box 7 is two, lays respectively at the both sides of conduit 9, adopts two-sided light source to irradiate simultaneously, please refer to shown in Fig. 5.Two identical lamp boxes 7 are arranged on the both sides of conduit 9 respectively.The working method of two lamp boxes 7 is identical, and ultraviolet area source is all towards conduit 9.
In the present embodiment, control panel 4 is provided with tangible control flow 10 and switch control knob 11, electromagnetic door 18 is provided with handle 17.In control panel 4, be provided with control system, control system is provided with man-machine interactive system, and equipment can be undertaken arranging and regulating and controlling by tangible control flow 10, and equipment automatization is operated.Also be provided with warning light 5 in the side of cabinet 38, control system controls warning light 5.For the ease of changing test tube box 13, the bottom of test tube box 13 is provided with roller 14.The bottom of cabinet 38 is provided with burr adjustable tail margin bolt 15, is convenient to the levelness regulating cabinet 38.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.