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WO2018072659A1 - 一种调速凹槽部件的制造方法 - Google Patents

一种调速凹槽部件的制造方法 Download PDF

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Publication number
WO2018072659A1
WO2018072659A1 PCT/CN2017/106235 CN2017106235W WO2018072659A1 WO 2018072659 A1 WO2018072659 A1 WO 2018072659A1 CN 2017106235 W CN2017106235 W CN 2017106235W WO 2018072659 A1 WO2018072659 A1 WO 2018072659A1
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Prior art keywords
laser
manufacturing
groove
speed
laser beam
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English (en)
French (fr)
Inventor
胡绍勤
汤丽芬
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Individual
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16804—Flow controllers
    • A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16877—Adjusting flow; Devices for setting a flow rate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2207/00—Methods of manufacture, assembly or production

Definitions

  • the present invention relates to the field of medical device accessory manufacturing, and more particularly to a method of manufacturing a speed control groove component.
  • the speed regulating component in the infusion regulator is provided with one or more speed regulating grooves, which are equipped with a speed regulating groove whose cross-sectional area is continuously changed, or a speed regulating groove with a segmental different cross-sectional area.
  • the speed regulation accuracy often depends on the cross-sectional area accuracy of the speed control groove, especially in the fine flow rate regulation, the cross-sectional area of the speed control groove is Mm 2 is used as the unit of measurement.
  • the width of the groove body of the groove generally forming the speed control groove is larger than the width of the groove bottom of the same vertical section, and is generally inverted trapezoidal or semi-circular.
  • the above-mentioned speed regulating components are basically produced by injection molding after manufacturing the mold, because of the precision of the mold in the production process, the degree of mold wear, the physical and chemical properties of different batches of the same material, and the production process (such as injection temperature, mold temperature, Injection pressure, injection speed, etc., etc. all affect the accuracy of the speed control groove. Errors of 5 to 20 ⁇ m often occur, and even higher. In the fine flow control groove section, the error ratio is high. In the current infusion governor, in the case of fine flow speed regulation, the speed regulation error generally reaches more than 10%, most of the finished product errors reach 15 to 30%, and some of the finished product errors even exceed 30%, even in the same batch.
  • the present invention provides a manufacturing method for stably manufacturing a high-precision speed-adjusting groove member with high quality.
  • a laser control system controls the laser focus position and the focus intensity of the at least one laser according to the determined position data; or controlling the laser focus position and the focus intensity of the at least one laser by the laser control system, a processing station for moving a pre-formed article along a predetermined orbit; or controlling a laser focus position and focus intensity of at least one laser by a laser control system, in conjunction with a laser motion device that moves the laser along a predetermined orbit; or controlling at least by a laser control system The laser focus position and focus intensity of a laser, in conjunction with a processing station that moves the pre-formed article along a predetermined orbit and a laser motion device that moves the laser along a predetermined orbit;
  • step d scanning and detecting the flatness of the surface of the pre-formed shaped product in the pre-formed shaped product by the flatness detector of the detectable flatness, such as the flatness conforming If the value is fixed, go directly to step d. If the flatness does not meet the set value, go to step e;
  • the device adjusts the orbital motion parameter of the laser, so that the surface of the pre-formed shaped product in which the surface of the processing speed adjustment groove is expected to be irradiated by the laser beam beyond the certain height is removed, and the speed control groove can be processed through the step f.
  • the laser control system is provided with a controllable focusing optical element and a beam forming device.
  • the laser control system is provided with a controllable deflection device.
  • the laser can emit a laser beam.
  • a gas injector for injecting gas into the body is provided before the step b.
  • a gas filtering device is provided in the gas injector for filtering the gas to be ejected.
  • a gas aspirator for sucking the gas injected by the gas injector is provided before the step b.
  • the processing station is provided with a gas suction device for attracting a gas of the laser ablation portion.
  • the body is selected from the group consisting of pre-formed objects.
  • the body is selected from the object of a fixed shape after pre-forming.
  • the body is selected from the group consisting of a polymer material, a metal material, an alloy material, and a biomedical inorganic non-metal material.
  • the polymer material is selected from the group consisting of acrylonitrile-butadiene-styrene copolymer, polypropylene, polyethylene terephthalate, polyoxymethylene resin, and polyvinyl chloride.
  • the metal material is selected from titanium.
  • the alloy material is selected from the group consisting of stainless steel and titanium alloy.
  • the biomedical inorganic non-metal material is selected from the group consisting of bio-inert ceramics, glass, and carbon.
  • the body is made of a biocompatible material.
  • the speed control groove is made by a non-contact processing method.
  • the non-contact processing method is selected from the group consisting of a laser cutting processing method, a laser drilling processing method, and a laser ablation processing method.
  • the laser emits a first laser beam; or the laser emits a first laser beam and a second laser beam, the first laser beam and the second laser beam have the same focus point, the first The optical axis of the laser beam is at an angle to the vertical line and the optical axis of the second laser beam is at an angle to the vertical line, the optical axes of the first laser beam and the second laser beam are in the same plane; or the laser emits three or More than three laser beams, each of the laser beam focusing points are the same, an optical axis of each of the laser beams forms an angle with a vertical line, and optical axes of the respective laser beams are in the same plane; or the laser control The system controls the first laser to emit a first laser beam, and the laser control system controls the second laser to emit a second laser The beam, the first laser beam and the second laser beam have the same focus point.
  • the laser emits two or more laser beams, each of which has the same focusing point, and the focusing point is on a surface where the body is expected to process the speed adjusting groove.
  • the body in the manufacturing process, the body is fixed and the laser moves along a preset trajectory; or the body moves along a preset trajectory, and the laser is fixed; or the body and the laser Both move along the preset trajectory.
  • a speed control groove component comprising the speed control groove component manufactured by the manufacturing method of any of the above-mentioned speed control groove components.
  • the body is provided with a speed regulating groove whose opening width at the top of the groove body is smaller than the maximum width of the groove body of the same cutting surface.
  • the body is provided with a speed regulating groove whose opening width at the top of the groove body is smaller than the maximum width of the groove body of the same vertical cutting surface.
  • An infusion regulator comprising any of the above-described governing groove members.
  • An infusion device comprising any of the above-described governing groove members.
  • the infusion device is selected from the group consisting of an infusion line, an infusion set, a syringe, an indwelling needle, an infusion needle, an infusion pump, and a syringe pump.
  • the main body adopts the fixed shape object after processing, and then applies the laser processing technology to the processing of the speed control groove, and separates the pre-component and the high-precision machining process, and the non-contact finishing process can reduce the process in the injection molding process.
  • the effect is to ensure the precision of cutting, perforating and ablation on most materials and to maintain stable quality. Avoiding the material after injection molding Accuracy error caused by cooling shrinkage.
  • step b by the arrangement of the gas injector, the gas filtering device and the gas suction device, the foreign matter adhering to the body can be removed by the pressurized cleaning gas, and the gas with foreign matter is attracted to achieve the purpose of cleaning the body.
  • Step d, step e, and step f are provided with a gas aspirator for attracting a gas in the laser ablation portion, which can quickly remove the aerosol formed by laser ablation, reduce interference factors in the manufacturing process, and is beneficial to improve the speed control groove. Production accuracy.
  • the focus point of the laser beam is on the surface of the body intended to process the speed control groove, so that the width of the groove body of the two or more laser beams forming the speed control groove on the body is smaller than the maximum width of the groove body of the speed control groove. It is beneficial to reduce the deformation of the gasket and press it into the speed control groove to affect the speed regulation accuracy.
  • the speed control groove component has high precision, high repeatability and stable quality.
  • the finished product can be an infusion regulator, which can effectively ensure the accuracy of infusion and the safety of infusion.
  • Figure 1 is a schematic view of a first embodiment of the present invention
  • Figure 2 is a schematic view of a second embodiment of the present invention.
  • Figure 3 is a schematic view of a third embodiment of the present invention.
  • FIG. 4 is a schematic view showing the overall structure of a speed regulating groove member according to an embodiment of the present invention.
  • the present invention is a method for manufacturing a speed control groove member, which is obtained by ablation processing on a pre-formed body 1 by a non-contact processing method.
  • the speed control groove component includes the following processing steps:
  • the laser control system 30 controls the laser focus position and focus intensity of the at least one laser 3 based on the determined position data; or controlling the laser focus position of the at least one laser 3 by the laser control system 30 and Focus intensity, in conjunction with a processing station 4 that moves the pre-formed article along a predetermined orbit; or by laser control system 30 controlling the laser focus position and focus intensity of at least one laser 3, in conjunction with laser motion that causes laser 3 to move along a predetermined orbit Apparatus 31; or controlling the laser focus position and focus intensity of at least one of the lasers 3 by the laser control system 30, in conjunction with a processing station 4 that moves the pre-formed article along a predetermined orbit, and a laser motion device that moves the laser 3 along a predetermined orbit 31;
  • the flatness of the surface of the pre-formed shaped product in which the speed-regulating groove is expected to be processed is detected by scanning the flatness detector 13 of the detectable flatness, such as the flatness. Set the value, then go directly to step d. If the flatness does not meet the set value, go to step e;
  • the laser parameters are adjusted by the laser control system 30 and/or processed
  • the stage 4 adjusts the orbital motion parameters of the pre-formed product and/or adjusts the orbital motion parameters of the laser 3 by the laser moving device 31, so that the surface of the pre-formed shaped product processed by the e-step is expected to be processed by the laser beam A certain thickness of material of the irradiated portion is removed or penetrated to machine the speed regulating groove member.
  • the flatness detector for detecting the flatness can also detect the curvature, the tilt angle, and the like according to the requirements of the body 1 to manufacture the surface of the speed control groove as a curved surface, a slope, and the like. Such detection of the surface on which the body 1 is expected to process the speed control groove, or the thickness of the body 1 in which the body 1 is expected to process the speed control groove is within the scope of the present invention.
  • the flat surface in the flat surface required for processing the speed regulating groove member by the step f, which is processed in the step e also includes a curved surface and a sloped surface. This embodiment is also included in the protection scope of the present invention.
  • the ablation pattern comprises cutting, perforating, ablation.
  • the laser control system 30 is provided with controllable The optical element 32 and the beam forming device 33 are focused.
  • the laser control system 30 is provided with a controllable deflection device 34.
  • controllable focusing optics 32 the beam forming means 33 and the controllable deflection means 34 facilitates the laser control system 30 to accurately control the focus, intensity and other parameters of the laser.
  • a gas injector 14 for injecting gas into the body 1 is provided before the step b.
  • the gas injector 14 is provided with a filtering device 140 that filters the gas to be ejected.
  • the gas injector 14, the filter device 140 that can filter the gas to be ejected, and the gas aspirator 15 are disposed to remove the foreign matter adhering to the body 1 with the pressurized cleaning gas, while attracting the gas of the foreign matter to the cleaning body 1 purpose.
  • the suction opening of the gas aspirator is being provided for the injection port of the gas injector.
  • the processing table 4 is provided with a gas suction device 15 for attracting a gas in the laser ablation portion.
  • the gas aspirator 15 for attracting the gas of the laser ablation site is turned on in the step d.
  • the gas aspirator 15 for attracting the gas of the laser ablation site is turned on.
  • the gas aspirator 15 for attracting the gas of the laser ablation site is turned on.
  • the gas aspirator 15 is arranged to rapidly remove the aerosol formed by laser ablation. Reducing the interference factors in the production process is beneficial to improve the precision of the speed control groove.
  • the body 1 is selected from pre-formed objects.
  • the body 1 is selected from objects of a fixed shape after pre-forming.
  • the body 1 may be an object such as a flow rate adjusting plate, a fixed base, or the like.
  • the object is a flat surface on one side, or an object having a circular shape.
  • the body 1 may also adopt other shapes such as a slope, a curved surface, or the like, or other shapes such as a cylinder, a trapezoid, a sphere, or the like.
  • the body 1 may also be pre-attached with other groove arrangements or other accessory structures.
  • a preferred example body 1 of such a shaped object after forming is formed by injection molding, injection molding, cutting, casting, grinding, forging, and sintering.
  • the body 1 is made of a polymer material, a metal material, an alloy material, and a biomedical inorganic non-metal material.
  • the polymer material is selected from the group consisting of acrylonitrile-butadiene-styrene copolymer, polypropylene, polyethylene terephthalate, polyoxymethylene resin, and polyvinyl chloride.
  • the metallic material is selected from the group consisting of titanium.
  • the alloy material is selected from the group consisting of stainless steel and titanium alloy.
  • the biomedical inorganic non-metal material is selected from the group consisting of bio-inert ceramics, glass, and carbon.
  • the bio-inert ceramic uses an oxide ceramic.
  • the body 1 is fabricated from a biocompatible material.
  • biocompatible materials include, but are not limited to, acrylonitrile-butadiene-styrene copolymer, polypropylene, polyethylene terephthalate, polyoxymethylene resin, polychlorinated Ethylene, titanium, stainless steel, titanium alloy, bio-inert ceramics, glass, carbon.
  • the speed control groove is made by a non-contact processing method.
  • the non-contact processing method is selected from the group consisting of a laser cutting processing method, a laser drilling processing method, and a laser ablation processing method.
  • the laser 3 emits a first laser beam A1; or the laser 3 emits a first laser beam A1 and a second laser beam A2, focusing of the first laser beam A1 and the second laser beam A2 Similarly, the optical axis of the first laser beam A1 is at an angle to the vertical line and the optical axis of the second laser beam A2 is at an angle to the vertical line, and the optical axes of the first laser beam A1 and the second laser beam A2 are at an angle The same plane; or the laser 3 emits three or more laser beams, each of the laser beams has the same focusing point, and the optical axis of each of the laser beams forms an angle with the vertical line, and each of the laser beams The optical axes are in the same plane; or the laser control system controls the first laser 300 to emit a first laser beam A1, the laser control system controls the second laser 301 to emit a second laser beam A2, the first laser beam A1 and the second The laser beam A2 has the same focus point
  • the laser emits a first laser beam and a second laser beam.
  • the physical characteristics (such as wavelength, intensity, etc.) of the first laser beam and the second laser beam are the same, the focus points are the same, and the optical axis of each laser beam is one with the vertical line. Angled, in the same plane. Preferably, the angles are the same. In this way, it is easier to stably maintain the cross-section of the speed-regulating groove in an axisymmetric structure, and it is easier to calculate the cross-sectional area of the groove.
  • the single-pass laser beam is ablated multiple times, and two or more laser beams are manufactured with different angles, different wavelengths, different intensities, different focusing points, and the like.
  • the laser 3 emits two or more laser beams, each of which has the same focus point, and the focus point is on the surface of the body 1 where the timing groove is expected to be processed.
  • the focus point is on the surface of the body 1 expected to process the speed control groove, so that the width of the groove body of the two or more laser beams forming the speed control groove on the body 1 is smaller than the maximum width of the groove body of the speed control groove. It is beneficial to reduce the deformation of the gasket and press it into the speed control groove to affect the speed regulation accuracy.
  • the body 1 is fixed, the laser 3 moves along a preset trajectory; or the body 1 moves along a preset trajectory, and the laser 3 is fixed; or Both the body 1 and the laser 3 move along a predetermined trajectory.
  • one of the body 1 and the laser 3 is fixed and the other moves along a preset trajectory. This reduces the alignment error generated when both are moving at the same time, and improves the accuracy.
  • a speed control groove member includes a speed control groove member manufactured by the method for manufacturing any of the above-described speed control groove members.
  • the body 1 is provided with a speed control groove 2 having an open width L1 of the top opening 21 of the groove body 20 smaller than a maximum width L of the groove body 20 of the same cutting surface.
  • the body 1 is provided with a speed adjusting groove 2 whose opening width L1 of the top opening 21 of the groove body 20 is smaller than the maximum width L of the groove body 20 of the same vertical cutting surface.
  • the body is provided with a speed control groove having an open width at the top of the groove body that is larger than a width of the groove body of the same cut surface, or an open top of the groove body on the body.
  • a speed control groove having an open width at the top of the groove body that is larger than a width of the groove body of the same cut surface, or an open top of the groove body on the body.
  • An embodiment in which the width of the mouth is equal to the width of the cross-section of the trough of the same section, or the embodiment in which the body is provided with a variable-width groove having an open width of the top of the trough is also included in the present invention.
  • the speed-adjusting groove 2 of the opening width 21 of the top opening 21 of the trough 20 is smaller than the maximum width L of the trough 20 of the same vertical section, which is beneficial for reducing the deformation of the gasket and the speed of the groove. Better choice.
  • An infusion regulator comprising any of the above-described governing groove members.
  • An infusion device comprising any of the above-described governing groove members.
  • the infusion device is selected from the group consisting of an infusion line, an infusion set, a syringe, an indwelling needle, an infusion needle, an infusion pump, and a syringe pump.

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  • Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Laser Beam Processing (AREA)

Abstract

一种调速凹槽部件的制造方法，本体（1）在注塑、注模等方式加工成型后，再将激光加工技术应用到调速凹槽的加工制作上，将前期部件和高精度加工工序分离，非接触式精加工可减少注塑加工过程中的工艺影响，可以在绝大部份材料上确保切割、打孔、烧蚀的精度并保持质量稳定，该方法用于医疗器械部件制造和医疗器械领域。

Description

一种调速凹槽部件的制造方法 技术领域
本发明涉及医疗器械配件制造领域，特别是涉及一种作为调速凹槽部件的制造方法。
背景技术
现时输液调节器中的调速部件设有一条或一条以上的调速凹槽，配有横截面积连续变化的调速凹槽；或配有节段式不同横截面积的调速凹槽。因为临床输液对输液调节器的调速精度要求很高，而调速精度往往取决于调速凹槽的横截面积精度，尤其是在精细流量调速时，调速凹槽的横截面积以μm2作为计量单位。
绝大部份的调速凹槽采用开放式凹槽设计，为避免注塑后拔模时拉动未硬化的塑料而导致调速面凹凸不平，注塑模具需要设置小角度的倾斜角，注塑后调速凹槽一般形成调速凹槽的槽体敞口宽度大于同一垂直切面的槽底宽度，一般为倒梯形、半圆形。
但上述调速部件基本上是由制造模具后注塑生产而成，因为在生产过程中的模具精度、模具磨损程度、相同材料而不同批次的理化性质、生产工艺(如注射温度、模具温度、注射压力、注射速度等)等等均会对调速凹槽的精度产生影响。经常出现5～20μm的误差，甚至更高。在精细流量调速凹槽段，误差比例很高。现行输液调速器中，在精细流量调速时，调速误差普遍达到10％以上，大部份成品误差达到15～30％，在部份成品误差甚至超过30％以上，即使在同一批次的 成品往往也存在质量不稳定的情况，造成安全隐患。尤其在心脏衰竭、肾脏衰竭等对入液量十分敏感的病人或需精准输入抢救药物的病人，极易造成医疗事故，甚至危及病人生命。
因输液精度不符合临床预期，而通过测定滴速推算入液量是目前较易实施的方法，故临床上仍以调节滴速的普通输液调节器为主。
临床上需求一种可以质量稳定地制造高精度调速凹槽部件的制造方法。
发明内容
为解决上述问题，本发明提供一种质量稳定地制造高精度调速凹槽部件的制造方法。
一种调速凹槽部件的制造方法，在预加工成型的本体上采用非接触式加工方式烧蚀去除加工得到所述的调速凹槽部件，包括如下加工步骤：
a)提供预加工成型制品；
b)通过光学探测单元，确定固定在加工台上预加工成型制品的位置数据，并通过数据处理单元计算第一烧蚀样式；
c)通过激光控制系统控制激光，其中根据确定的位置数据，激光控制系统控制至少一个激光器的激光焦点位置和焦点强度；或者通过激光控制系统控制至少一个激光器的激光焦点位置和焦点强度，配合可使预加工成型制品沿预定轨道运动的加工台；或者通过激光控制系统控制至少一个激光器的激光焦点位置和焦点强度，配合可使激光器沿预定轨道运动的激光器运动装置；或者通过激光控制系统控制至少 一个激光器的激光焦点位置和焦点强度，配合可使预加工成型制品沿预定轨道运动的加工台和可使激光器沿预定轨道运动的激光器运动装置；
d)根据计算的第一烧蚀样式，通过激光控制系统调整激光参数和/或者通过加工台调整预加工成型制品的轨道运动参数和/或者通过激光器运动装置调整激光器的轨道运动参数，使预加工成型制品中预期加工调速凹槽所在表面被激光束辐照部位的一定厚度的材料被去除或贯穿，加工出所述的调速凹槽部件。
进一步作为本发明技术方案的改进，所述d步骤前通过由一可检测平整度的平整度检测仪扫描检测预加工成型制品中预期加工调速凹槽所在表面的平整度，如平整度符合设定值，则直接进入d步骤，如平整度不符合设定值，则进入e步骤；
e)根据平整度检测仪的检测结果通过数据处理单元计算出第二烧蚀样式，通过激光控制系统调整激光参数和/或者通过加工台调整预加工成型制品的轨道运动参数和/或者通过激光器运动装置调整激光器的轨道运动参数，使预加工成型制品中预期加工调速凹槽所在表面被激光束辐照部位的超出一定高度的材料被去除，加工出可通过步骤f加工所述调速凹槽部件所需的平整表面；
f)通过光学探测单元，重新确定固定在加工台上预加工成型制品的位置数据，并通过数据处理单元计算第三烧蚀样式，通过激光控制系统调整激光参数和/或者通过加工台调整预加工成型制品的轨道运动参数和/或者通过激光器运动装置调整激光器的轨道运动参数，使 经e步骤完成加工的预加工成型制品中预期加工调速凹槽所在表面被激光束辐照部位的一定厚度的材料被去除或贯穿，加工出所述的调速凹槽部件。
进一步作为本发明技术方案的改进，所述激光控制系统上设有可控聚焦光学元件和光束形成装置。
进一步作为本发明技术方案的改进，所述激光控制系统上设有可控偏转装置。
进一步作为本发明技术方案的改进，所述激光器可发出激光束。
进一步作为本发明技术方案的改进，所述步骤b前设有用于向本体喷射气体的气体喷射器。
进一步作为本发明技术方案的改进，气体喷射器内设有可过滤喷出气体的过滤装置。
进一步作为本发明技术方案的改进，所述步骤b前设有用于吸引气体喷射器所喷射气体的气体吸引器。
进一步作为本发明技术方案的改进，所述加工台上设有用于吸引激光烧蚀部位气体的气体吸引器。
进一步作为本发明技术方案的改进，所述本体选自预加工成型的物体。
进一步作为本发明技术方案的改进，所述本体选自预加工成型后固定形状的物体。
进一步作为本发明技术方案的改进，所述本体选自高分子材料、金属材料、合金材料、生物医用无机非金属材料制作而成。
进一步作为本发明技术方案的改进，所述高分子材料选自丙烯腈-丁二烯-苯乙烯共聚物、聚丙烯、聚对苯二甲酸乙二醇酯、聚甲醛树酯、聚氯乙烯。
进一步作为本发明技术方案的改进，所述金属材料选自钛。
进一步作为本发明技术方案的改进，所述合金材料选自不锈钢、钛合金。
进一步作为本发明技术方案的改进，所述生物医用无机非金属材料选自生物惰性陶瓷、玻璃、碳素。
进一步作为本发明技术方案的改进，本体采用生物相容性材料制作而成。
进一步作为本发明技术方案的改进，所述调速凹槽采用非接触式加工方式制成。
进一步作为本发明技术方案的改进，所述非接触式加工方式选自激光切割加工方式、激光打孔加工方式、激光烧蚀加工方式。
作为本发明优选的实施方式，所述激光器发出第一激光束；或者所述激光器发出第一激光束和第二激光束，第一激光束和第二激光束的聚焦点相同，所述第一激光束的光轴与垂直线成一夹角和第二激光束的光轴与垂直线成一夹角，第一激光束和第二激光束的光轴处于同一平面；或者所述激光器发出三道或者三道以上的激光束，各所述激光束聚焦点相同，各所述激光束的光轴与垂直线之间成一夹角，各所述激光束的光轴处于同一平面；或者所述激光控制系统控制第一激光器发出第一激光束，所述激光控制系统控制第二激光器发出第二激光 束，第一激光束和第二激光束聚焦点相同。
进一步作为本发明技术方案的改进，所述激光器发出两道或者两道以上激光束，各所述激光束聚焦点相同，所述聚焦点处于本体预期加工调速凹槽所在表面。
进一步作为本发明技术方案的改进，所述制造过程中，所述本体固定不动，激光器沿预设轨迹运动；或者所述本体沿预设轨迹运动，激光器固定不动；或者所述本体和激光器均沿预设轨迹运动。
一种调速凹槽部件，包括上述任一调速凹槽部件的制造方法制造而成的调速凹槽部件。
进一步作为本发明技术方案的改进，所述本体上设有槽体顶部敞口的敞口宽度小于同一切面的槽体横截面最大宽度的调速凹槽。
进一步作为本发明技术方案的改进，所述本体上设有槽体顶部敞口的敞口宽度小于同一垂直切面的槽体横截面最大宽度的调速凹槽。
一种输液调节器，包括上述任一调速凹槽部件。
一种输注装置，包括上述任一调速凹槽部件。
进一步作为本发明技术方案的改进，所述输注装置选自输液管路、输液器、注射器、留置针、输液针、输液泵、注射泵。
本发明的有益效果：
本体采用加工成型后固定形状的物件，再将激光加工技术应用到调速凹槽的加工制作上，将前期部件和高精度加工工序分离，非接触式精加工，可减少注塑加工过程中的工艺影响，可以在绝大部份材料上确保切割、打孔、烧蚀的精度并保持质量稳定。避免了注塑后，材 料冷却收缩产生的精度误差。
在步骤b前，通过气体喷射器、气体过滤装置和气体吸引器的设置，可以以带压力的清洁气体清除粘附在本体上的异物，同时将带异物的气体吸引,达到清洁本体的目的。
步骤d、步骤e、步骤f中设有用于吸引激光烧蚀部位气体的气体吸引器，可迅速地去除激光烧蚀形成的气雾，减少制作过程中的干扰因素，有利于提高调速凹槽制作精度。
激光束的聚焦点处于本体预期加工调速凹槽所在表面，使两道或两道以上激光束在本体上形成调速凹槽的槽体敞口宽度小于调速凹槽的槽体最大宽度。有利于减少密封垫变形压入调速凹槽影响调速精度。
此调速凹槽部件精度高、可重复性高、质量稳定。成品可为输液调节器，该输液调节器能有效地保障输液精度和输液安全。
附图说明
下面结合附图对本发明作进一步说明：
图1是本发明第一实施方式示意图；
图2是本发明第二实施方式示意图；
图3是本发明第三实施方式示意图；
图4是本发明实施例调速凹槽部件整体结构示意图。
具体实施方式
参照图1～图3，本发明为一种调速凹槽部件的制造方法，在预加工成型的本体1上采用非接触式加工方式烧蚀去除加工得到所述 的调速凹槽部件，包括如下加工步骤：
a)提供预加工成型制品；
b)通过光学探测单元11，确定固定在加工台4上预加工成型制品的位置数据，并通过数据处理单元12计算第一烧蚀样式；
c)通过激光控制系统30控制激光，其中根据确定的位置数据，激光控制系统30控制至少一个激光器3的激光焦点位置和焦点强度；或者通过激光控制系统30控制至少一个激光器3的激光焦点位置和焦点强度，配合可使预加工成型制品沿预定轨道运动的加工台4；或者通过激光控制系统30控制至少一个激光器3的激光焦点位置和焦点强度，配合可使激光器3沿预定轨道运动的激光器运动装置31；或者通过激光控制系统30控制至少一个激光器3的激光焦点位置和焦点强度，配合可使预加工成型制品沿预定轨道运动的加工台4和可使激光器3沿预定轨道运动的激光器运动装置31；
d)根据计算的第一烧蚀样式，通过激光控制系统30调整激光参数和/或者通过加工台4调整预加工成型制品的轨道运动参数和/或者通过激光器运动装置31调整激光器3的轨道运动参数，使预加工成型制品中预期加工调速凹槽所在表面被激光束辐照部位的一定厚度的材料被去除或贯穿，加工出所述的调速凹槽部件。
进一步作为本发明技术方案的改进，所述d步骤前通过由一可检测平整度的平整度检测仪13扫描检测预加工成型制品中预期加工调速凹槽所在表面的平整度，如平整度符合设定值，则直接进入d步骤，如平整度不符合设定值，则进入e步骤；
e)根据平整度检测仪13的检测结果通过数据处理单元12计算出第二烧蚀样式，通过激光控制系统30调整激光参数和/或者通过加工台4调整预加工成型制品的轨道运动参数和/或者通过激光器运动装置31调整激光器3的轨道运动参数，使预加工成型制品中预期加工调速凹槽所在表面被激光束辐照部位的超出一定高度的材料被去除，加工出可通过步骤f加工所述调速凹槽部件所需的平整表面；
f)通过光学探测单元11，重新确定固定在加工台4上预加工成型制品的位置数据，并通过数据处理单元12计算第三烧蚀样式，通过激光控制系统30调整激光参数和/或者通过加工台4调整预加工成型制品的轨道运动参数和/或者通过激光器运动装置31调整激光器3的轨道运动参数，使经e步骤完成加工的预加工成型制品中预期加工调速凹槽所在表面被激光束辐照部位的一定厚度的材料被去除或贯穿，加工出所述的调速凹槽部件。
检测平整度的平整度检测仪也可根据本体1需要制造调速凹槽的表面为曲面、斜面等不同要求，而进行曲率、倾斜角等的检测。这种对本体1预期加工调速凹槽所在表面、或对本体1预期加工调速凹槽所在本体1厚度的检测均在本发明的保护范围之内。相应的，步骤e中加工出的可通过步骤f加工所述调速凹槽部件所需的平整表面中的平整表面也包括曲面、斜面，该实施方式也包含在本发明的保护范围之内。
优选的，所述烧蚀样式包括切割、打孔、烧蚀。
作为本发明优选的实施方式，所述激光控制系统30上设有可控 聚焦光学元件32和光束形成装置33。
作为本发明优选的实施方式，所述激光控制系统30上设有可控偏转装置34。
可控聚焦光学元件32、光束形成装置33和可控偏转装置34的设置有利于激光控制系统30准确控制激光的聚焦点、强度等参数。
作为本发明优选的实施方式，所述步骤b前设有用于向本体1喷射气体的气体喷射器14。
作为本发明优选的实施方式，气体喷射器14内设有可过滤喷出气体的过滤装置140。
气体喷射器14、可过滤喷出气体的过滤装置140和气体吸引器15的设置，以带压力的清洁气体清除粘附在本体1上的异物，同时将混杂异物的气体吸引达到清洁本体1的目的。优选的，气体吸引器的吸引口正对于气体喷射器的喷射口设置。
作为本发明优选的实施方式，所述加工台4上设有用于吸引激光烧蚀部位气体的气体吸引器15。
作为本发明优选的实施方式，所述步骤d中开启用于吸引激光烧蚀部位气体的气体吸引器15。
作为本发明优选的实施方式，所述步骤e中开启用于吸引激光烧蚀部位气体的气体吸引器15。
作为本发明优选的实施方式，所述步骤f中开启用于吸引激光烧蚀部位气体的气体吸引器15。
气体吸引器15的设置，还可以迅速地去除激光烧蚀形成的气雾， 减少制作过程中的干扰因素，有利于提高调速凹槽制作精度。
作为本发明优选的实施方式，所述本体1选自预加工成型的物体。
作为本发明优选的实施方式，本体1选自预加工成型后固定形状的物体。本体1可以是流速调节板、固定底座等物体，也可以是组合物。优选为一侧呈平面的物体，或呈圆环形的物体，本体1也可采用一侧斜面、曲面等其它形状，或采用圆柱形、梯形、球形等其它形状。特别的，本体1也可预先附带其它凹槽设置或其它附属结构。这种加工成型后固定形状的物体的优选实例本体1由注塑、注模、切割、铸造、打磨、锻造、烧结方式制成。
作为本发明优选的实施方式，所述本体1选自高分子材料、金属材料、合金材料、生物医用无机非金属材料制作而成。
作为本发明优选的实施方式，所述高分子材料选自丙烯腈-丁二烯-苯乙烯共聚物、聚丙烯、聚对苯二甲酸乙二醇酯、聚甲醛树酯、聚氯乙烯。
作为本发明优选的实施方式，所述金属材料选自钛。
作为本发明优选的实施方式，所述合金材料选自不锈钢、钛合金。
作为本发明优选的实施方式，所述生物医用无机非金属材料选自生物惰性陶瓷、玻璃、碳素。优选的，生物惰性陶瓷采用氧化物陶瓷。
作为本发明优选的实施方式，本体1采用生物相容性材料制作而成。这种生物相容性材料的优选实例包括但不限于丙烯腈-丁二烯-苯乙烯共聚物、聚丙烯、聚对苯二甲酸乙二醇酯、聚甲醛树酯、聚氯 乙烯、钛、不锈钢、钛合金、生物惰性陶瓷、玻璃、碳素。
作为本发明优选的实施方式，所述调速凹槽采用非接触式加工方式制成。
作为本发明优选的实施方式，所述非接触式加工方式选自激光切割加工方式、激光打孔加工方式、激光烧蚀加工方式。
作为本发明优选的实施方式，所述激光器3发出第一激光束A1；或者所述激光器3发出第一激光束A1和第二激光束A2，第一激光束A1和第二激光束A2的聚焦点相同，所述第一激光束A1的光轴与垂直线成一夹角和第二激光束A2的光轴与垂直线成一夹角，第一激光束A1和第二激光束A2的光轴处于同一平面；或者所述激光器3发出三道或者三道以上的激光束，各所述激光束聚焦点相同，各所述激光束的光轴与垂直线之间成一夹角，各所述激光束的光轴处于同一平面；或者所述激光控制系统控制第一激光器300发出第一激光束A1，所述激光控制系统控制第二激光器301发出第二激光束A2，第一激光束A1和第二激光束A2聚焦点相同。
优选的，激光器发出第一激光束和第二激光束，第一激光束和第二激光束的物理特性(如波长、强度等)相同，聚焦点相同，每束激光的光轴与垂直线成一夹角，处于同一平面。优选为夹角相同。这样切割时更容易稳定保持调速凹槽的横截面呈轴对称结构，更易核算出凹槽的横截面积。单道激光束多次烧蚀、两道或以上激光束以不同夹角、不同波长、不同强度、不同聚焦点等方式制造而成的调速凹槽部件也在本发明的保护范围之内。
作为本发明优选的实施方式，所述激光器3发出两道或者两道以上激光束，各所述激光束聚焦点相同，所述聚焦点处于本体1预期加工调速凹槽所在表面。聚焦点处于本体1预期加工调速凹槽所在表面，使两道或两道以上激光束在本体1上形成调速凹槽的槽体敞口宽度小于调速凹槽的槽体最大宽度。有利于减少密封垫变形压入调速凹槽影响调速精度。
作为本发明优选的实施方式，所述制造过程中，所述本体1固定不动，激光器3沿预设轨迹运动；或者所述本体1沿预设轨迹运动，激光器3固定不动；或者所述本体1和激光器3均沿预设轨迹运动。
优选的，所述制造过程中，本体1与激光器3之中的一个是固定，另一个沿预设轨迹运动。这样减少两者同时运动时产生的对位误差，提高精准度。
参照图4，一种调速凹槽部件，包括上述任一调速凹槽部件的制造方法制造而成的调速凹槽部件。
作为本发明优选的实施方式，所述本体1上设有槽体20顶部敞口21的敞口宽度L1小于同一切面的槽体20横截面最大宽度L的调速凹槽2。
作为本发明优选的实施方式，所述本体1上设有槽体20顶部敞口21的敞口宽度L1小于同一垂直切面的槽体20横截面最大宽度L的调速凹槽2。
当然，所述本体上设有槽体顶部敞口的敞口宽度大于同一切面的槽体横截面宽度的调速凹槽，或者所述本体上设有槽体顶部敞口的敞 口宽度与同一切面的槽体横截面宽度相等的调速凹槽，或者所述本体设有槽体顶部敞口的敞口宽度为零的调速凹槽的实施方式也包含在本发明的保护范围之内。而槽体20顶部敞口21的敞口宽度L1小于同一垂直切面的槽体20横截面最大宽度L的调速凹槽2有利于减少密封垫变形压入调速凹槽影响调速精度，是更佳选择。
一种输液调节器，包括上述任一调速凹槽部件。
一种输注装置，包括上述任一调速凹槽部件。
作为本发明优选的实施方式，所述输注装置选自输液管路、输液器、注射器、留置针、输液针、输液泵、注射泵。

Claims (21)

  1. 一种调速凹槽部件的制造方法，在预加工成型的本体上采用非接触式加工方式烧蚀去除加工得到所述的调速凹槽部件，包括如下加工步骤：
    a)提供预加工成型制品；
    b)通过光学探测单元，确定固定在加工台上预加工成型制品的位置数据，并通过数据处理单元计算第一烧蚀样式；
    c)通过激光控制系统控制激光，其中根据确定的位置数据，激光控制系统控制至少一个激光器的激光焦点位置和焦点强度；或者通过激光控制系统控制至少一个激光器的激光焦点位置和焦点强度，配合可使预加工成型制品沿预定轨道运动的加工台；或者通过激光控制系统控制至少一个激光器的激光焦点位置和焦点强度，配合可使激光器沿预定轨道运动的激光器运动装置；或者通过激光控制系统控制至少一个激光器的激光焦点位置和焦点强度，配合可使预加工成型制品沿预定轨道运动的加工台和可使激光器沿预定轨道运动的激光器运动装置；
    d)根据计算的第一烧蚀样式，通过激光控制系统调整激光参数和/或者通过加工台调整预加工成型制品的轨道运动参数和/或者通过激光器运动装置调整激光器的轨道运动参数，使预加工成型制品中预期加工调速凹槽所在表面被激光束辐照部位的一定厚度的材料被去除或贯穿，加工出所述的调速凹槽部件。
  2. 根据权利要求1所述的一种调速凹槽部件的制造方法，其特征在 于：所述d步骤前通过由一可检测平整度的平整度检测仪扫描检测预加工成型制品中预期加工调速凹槽所在表面的平整度，如平整度符合设定值，则直接进入d步骤，如平整度不符合设定值，则进入e步骤；
    e)根据平整度检测仪的检测结果通过数据处理单元计算出第二烧蚀样式，通过激光控制系统调整激光参数和/或者通过加工台调整预加工成型制品的轨道运动参数和/或者通过激光器运动装置调整激光器的轨道运动参数，使预加工成型制品中预期加工调速凹槽所在表面被激光束辐照部位的超出一定高度的材料被去除，加工出可通过步骤f加工所述调速凹槽部件所需的平整表面；
    f)通过光学探测单元，重新确定固定在加工台上预加工成型制品的位置数据，并通过数据处理单元计算第三烧蚀样式，通过激光控制系统调整激光参数和/或者通过加工台调整预加工成型制品的轨道运动参数和/或者通过激光器运动装置调整激光器的轨道运动参数，使经e步骤完成加工的预加工成型制品中预期加工调速凹槽所在表面被激光束辐照部位的一定厚度的材料被去除或贯穿，加工出所述的调速凹槽部件。
  3. 根据权利要求1所述的一种调速凹槽部件的制造方法，其特征在于：所述步骤b前设有用于向本体喷射气体的气体喷射器。
  4. 根据权利要求3所述的一种调速凹槽部件的制造方法，其特征在于：气体喷射器内设有可过滤喷出气体的过滤装置。
  5. 根据权利要求1所述的一种调速凹槽部件的制造方法，其特征在 于：所述加工台上设有用于吸引激光烧蚀部位气体的气体吸引器。
  6. 根据权利要求1所述的一种调速凹槽部件的制造方法，其特征在于：所述制造过程中，所述本体固定不动，激光器沿预设轨迹运动；或者所述本体沿预设轨迹运动，激光器固定不动；或者所述本体和激光器均沿预设轨迹运动。
  7. 根据权利要求1所述的一种调速凹槽部件的制造方法，其特征在于：所述激光器发出第一激光束；或者所述激光器发出第一激光束和第二激光束，第一激光束和第二激光束的聚焦点相同，所述第一激光束的光轴与垂直线成一夹角和第二激光束的光轴与垂直线成一夹角，第一激光束和第二激光束的光轴处于同一平面；或者所述激光器发出三道或者三道以上的激光束，各所述激光束聚焦点相同，各所述激光束的光轴与垂直线之间成一夹角，各所述激光束的光轴处于同一平面；或者所述激光控制系统控制第一激光器发出第一激光束，所述激光控制系统控制第二激光器发出第二激光束，第一激光束和第二激光束聚焦点相同。
  8. 根据权利要求1所述的一种调速凹槽部件的制造方法，其特征在于：所述激光器发出两道或者两道以上激光束，各所述激光束聚焦点相同，所述聚焦点处于本体预期加工调速凹槽所在表面。
  9. 根据权利要求1所述的一种调速凹槽部件的制造方法，其特征在于：所述本体选自预加工成型的物体。
  10. 根据权利要求9所述的一种调速凹槽部件的制造方法，其特征在于：所述本体选自预加工成型后固定形状的物体。
  11. 根据权利要求1所述的一种调速凹槽部件的制造方法，其特征在于：所述本体选自高分子材料、金属材料、合金材料、生物医用无机非金属材料制作而成。
  12. 根据权利要求11所述的一种调速凹槽部件的制造方法，其特征在于：所述高分子材料选自丙烯腈-丁二烯-苯乙烯共聚物、聚丙烯、聚对苯二甲酸乙二醇酯、聚甲醛树酯、聚氯乙烯。
  13. 根据权利要求11所述的一种调速凹槽部件的制造方法，其特征在于：所述金属材料选自钛。
  14. 根据权利要求11所述的一种调速凹槽部件的制造方法，其特征在于：所述合金材料选自不锈钢、钛合金。
  15. 根据权利要求11所述的一种调速凹槽部件的制造方法，其特征在于：所述生物医用无机非金属材料选自生物惰性陶瓷、玻璃、碳素。
  16. 一种调速凹槽部件，其特征在于，由权利要求1至15任一项权利要求所述的调速凹槽部件的制造方法制造而成。
  17. 根据权利要求16所述的一种调速凹槽部件，其特征在于：所述本体上设有槽体顶部敞口的敞口宽度小于同一切面的槽体横截面最大宽度的调速凹槽。
  18. 根据权利要求17所述的一种调速凹槽部件，其特征在于：所述本体上设有槽体顶部敞口的敞口宽度小于同一垂直切面的槽体横截面最大宽度的调速凹槽。
  19. 一种输液调节器，其特征在于，所述输液调节器包括权利要求 16～18中任一项权利要求所述的调速凹槽部件。
  20. 一种输注装置，其特征在于，所述输注装置包括权利要求16～18中任一项权利要求所述的调速凹槽部件。
  21. 根据权利要求20所述的一种输注装置，其特征在于：所述输注装置选自输液管路、输液器、注射器、留置针、输液针、输液泵、注射泵。
PCT/CN2017/106235 2016-10-20 2017-10-16 一种调速凹槽部件的制造方法 Ceased WO2018072659A1 (zh)

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