CN103217442B - A kind of Medical rack continuous automatic inspection equipment - Google Patents

A kind of Medical rack continuous automatic inspection equipment Download PDF

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Publication number
CN103217442B
CN103217442B CN201210016298.6A CN201210016298A CN103217442B CN 103217442 B CN103217442 B CN 103217442B CN 201210016298 A CN201210016298 A CN 201210016298A CN 103217442 B CN103217442 B CN 103217442B
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roller bearing
pull bar
support
automatic inspection
inspection equipment
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CN103217442A (en
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魏志凌
宁军
夏发平
马秀云
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Kunshan Theta Micro Co Ltd
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Kunshan Theta Micro Co Ltd
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Abstract

The present invention proposes a kind of Medical rack continuous automatic inspection equipment, including conveyer belt, roller assembly, two-dimension moving platform, lighting source, electronics line array CCD, image processing system, display system.Roller assembly includes roller bearing mounting seat, driven roller bearing, cutting ferrule, actively roller bearing and servomotor;The actively roller bearing that rotarily drives of motor output shaft rotates, and uses cutting ferrule that actively roller bearing and driven roller bearing are connected, when active roller bearing rotates when, drives driven roller bearing servo-actuated;Support product is placed on active roller bearing and driven roller bearing the two feeding roller bearing, the rotation of the two feeding roller bearing, drives support product to rotate, and uses rotation mode that support product is detected.The data obtained are sent to image processing system process by described electronics line array CCD.The Medical rack continuous automatic inspection equipment that the present invention proposes, uses the delivery form of conveyer belt, decreases the downtime of detection equipment, improve detection efficiency, decrease simultaneously and manually pick and place number of times.

Description

A kind of Medical rack continuous automatic inspection equipment
Technical field
The invention belongs to thin-wall pipes laser micro-machining technology field, relate to a kind of detection equipment, particularly to a kind of Medical rack continuous automatic inspection equipment.
Background technology
To play the effect of a bracing frame to keep opening of blood vessel must therefore to be fulfilled for strict job requirement in Medical rack implantable intravascular, if support comprises any coarse or sharp-pointed limit, it will damage and implant the hemocyte at support or blood vessel wall, this will cause further angiopathy, so that having potential life danger.Support is typically all minor diameter, and diameter is about at 1mm, after carrying out laser cutting parameter, on support between the general 50 ~ 200um of the size of various Cutting features.General, the minor variations of parameter in process for making, defect all can be caused such as laser power, pipe diameter size or machinery vibration.Because the inefficacy that support is functionally would potentially result in life danger, the detection after therefore support machines is even more important.
As shown in Figure 1 to Figure 3: after support processing, typically there will be the defects such as pollution, otch inefficacy, contact point, island shape defect, damage, pitting, deformation.Put it briefly, mainly include the geometric error shown in the shape defect shown in Fig. 1, Fig. 2 and the boundary defect shown in Fig. 3.
Existing detection means has manual detection and visual system automatically to detect.Manual detection is to be detected support product in turn by microscope by people.There is bigger error, additionally manual detection is relatively slow and the relative cost of manufacturing process can be made to promote.And existing vision automatic checkout equipment and complexity thereof, complete equipment is expensive, furthermore, while be that vision detects automatically, but need manually repeatedly to pick and place during detection, because intravascular stent is high-accuracy medical device, caliber typically only has about 1mm, the most repeatedly picks and places, do not note being likely to result in the crimp of support during taking, cause scrapping of support.
Summary of the invention
The purpose of the present invention is intended at least solve one of above-mentioned technological deficiency, particularly solve existing detection device efficiency low, detection during easily cause the problems such as support crimp.
For reaching above-mentioned purpose, the present invention proposes a kind of Medical rack continuous automatic inspection equipment, including conveyer belt, roller assembly, two-dimension moving platform, lighting source, electronics line array CCD, image processing system, display system.
Described roller assembly includes: roller bearing mounting seat, driven roller bearing, cutting ferrule, actively roller bearing and servomotor;The actively roller bearing that rotarily drives of motor output shaft rotates, and uses cutting ferrule that actively roller bearing and driven roller bearing are connected, when active roller bearing rotates when, drives driven roller bearing servo-actuated;Support product is placed on active roller bearing and driven roller bearing the two feeding roller bearing, the rotation of the two feeding roller bearing, drives support product to rotate, and uses rotation mode that support product is detected;
Described two-dimension moving platform includes X-axis, Y-axis, and roller assembly is arranged on the movable slider of X-axis, it is possible to move along X-axis, and X-axis and roller assembly entirety can be moved along the slideway of Y-axis;Use described two-dimension moving platform for the relative position of accurate positioning support product with line array CCD;
Described lighting source includes transverse illumination light source and longitudinal illumination light source, and transverse illumination light source illuminates the outer surface of detected support product, and longitudinal illumination light source illuminates the inner surface of detected support;Two kinds of light sources use different colours and the illumination of material, and the concordance without high light illuminates raising picture quality;
Described electronics line array CCD is arranged on above support product, and for detecting the quality of support product, it gathers the view data of linear array in the precision sweep mode of one line of a line, and after a complete scanning process, the general image of an assistant support is the most obtained;The data obtained are sent to image processing system by described electronics line array CCD;
Described image processing system is in order to process the support general image data that electronics line array CCD sends, theory or the design basis of support general image data with original justice are compared, whether to have structure or the surface defect of one or more types in perspective image data;After error is observed, system will show these errors on the display system, thus draw judged result.
In one embodiment of the invention, when electronics line array CCD detection support product, making support product 360 degree rotation by the rotation of the rotation of two feeding roller bearings, the result of scanning process is the image of the high degrees of detail of a support.
In one embodiment of the invention, described image processing system provides alarm when substandard product being detected, and certified products and defective work is separated, and defective work will be disposed of, and certified products slip in test tube, enter lower one PROCESS FOR TREATMENT.
In one embodiment of the invention, described image processing system is installed in computer.
Further, described display system is the display of this computer;Or, described equipment includes some display systems, shows testing result respectively.
In one embodiment of the invention, described rotary shaft includes motor, shaft coupling, worm screw, worm gear, pull bar module, shell, end cap, chuck;Described pull bar module includes pull bar lid, piston, draw-bar seat, rolling bearing, axle sleeve, pull bar, and pull bar is hollow structure;One end of described shell arranges pull bar lid, draw-bar seat, and the other end arranges end cap;It is provided with piston, axle sleeve, rolling bearing between described pull bar lid, draw-bar seat;Piston be respectively provided on two sides with the first air cavity, the second air cavity, the first air cavity, the second air cavity are respectively equipped with gateway, and by gateway inflation/deflation, described gateway connects additional high pressure gas air supply unit;Described chuck is arranged at one end of pull bar, exposes a part through end cap;Chuck is by being screwed in the other end screwed hole of pull bar module near one end of pull bar lid from rotary shaft;Output shaft and the worm shaft of motor are connected by described shaft coupling, and worm and wheel coordinates, and described worm gear is coaxial with pull bar, and worm-wheel shaft is pull rod shaft;The rotation of motor finally drives pull rod shaft rotary motion.
Further, described rotary shaft is when clamping intravascular stent, to the first air cavity inflation, high pressure gas is known from experience pushing drawing rod module and is moved towards first direction, thus drives shell, end inner cap to move towards first direction together with end cap, it is close to the outer conical surface of chuck until the internal conical surface of end cap, end cap continues to move to first direction, causes collet to tighten up, is embraced by intravascular stent, keeping this state, intravascular stent will be held tightly by chuck always.When needing to unclamp intravascular stent, it is the second air cavity inflation, the first air cavity venting, gases at high pressure drive pull bar module towards second direction motion thus promote shell, end inner cap and end cap to move towards second direction, and then the outer conical surface of collet is separated with the internal conical surface of end cap, keep releasing orientation, now collet relies on the elastic-restoring force of self to keep releasing orientation, and intravascular stent is by released.
The Medical rack continuous automatic inspection equipment that the present invention proposes, uses the delivery form of conveyer belt, decreases the downtime of detection equipment, improve detection efficiency, decrease simultaneously and manually pick and place number of times.
Aspect and advantage that the present invention adds will part be given in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or that add aspect and advantage will be apparent from easy to understand, wherein from the following description of the accompanying drawings of embodiments:
Fig. 1 is the support schematic diagram with shape defect;
Fig. 2 is the support schematic diagram with geometric error;
Fig. 3 is the support schematic diagram with boundary defect;
Fig. 4 is detection equipment perspective view;
Fig. 5 is detection equipment front view;
Fig. 6 is conveyer structure schematic diagram;
Fig. 7 is the part composition schematic diagram of detection equipment;
Fig. 8 is the axonometric chart of rotary shaft;
Fig. 9 is the sectional view of rotary shaft critical piece.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, and the most same or similar label represents same or similar element or has the element of same or like function.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it will be appreciated that, term " on ", D score, the orientation of the instruction such as " interior " or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or hint indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " connection " should be interpreted broadly, and connects for example, it may be fixing, is integrally connected, it is also possible to be to removably connect;It can be the connection of two element internals;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, for the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
Being in place of the main innovation of the present invention, the present invention innovatively proposes a kind of Medical rack continuous automatic inspection equipment, uses the delivery form of conveyer belt, improves detection efficiency, reduces simultaneously and manually pick and place number of times.
Referring to Fig. 4, Fig. 5, Fig. 7, Medical rack continuous automatic inspection equipment of the present invention includes that conveyer belt 12(is as shown in Figure 5), roller assembly (as shown in Figure 4), two-dimension moving platform (as shown in Figure 4), lighting source (including transverse illumination light source 8 and longitudinal illumination light source 3), electronics line array CCD 9, image processing system 10, display system 11.
The support product machined between blanking box at regular intervals (times that this time T >=each support detection needs) fall successively on the conveyor belt 12,12 support product 4 of conveyer belt be transported on roller assembly, as shown in Figure 5, Figure 6.
As shown in Figure 4, described roller assembly includes: roller bearing mounting seat 2, driven roller bearing 14, cutting ferrule 13, actively roller bearing 5 and servomotor 7;The actively roller bearing 5 that rotarily drives of servomotor 7 output shaft rotates, and uses cutting ferrule 13 actively roller bearing 5 and driven roller bearing 14 to connect, when active roller bearing 5 rotates when, drives driven roller bearing 14 servo-actuated;Support product 4 is placed on active roller bearing 5 and driven roller bearing 14 the two feeding roller bearing, the rotation of the two feeding roller bearing, drives support product 4 to rotate, and uses rotation mode to make support product 4 be detected electronics line array CCD 9 and arrives.
Described two-dimension moving platform includes X-axis 1, Y-axis 6, and roller assembly is arranged on the movable slider (movable slider is as roller bearing mounting seat 2) of X-axis 1, it is possible to move along X-axis, and X-axis 1 and roller assembly entirety can be moved along the slideway of Y-axis 6;Use described two-dimension moving platform for the relative position of accurate positioning support product 4 with electronics line array CCD 9.
The transverse illumination light source 8 of described lighting source illuminates the outer surface of detected support product 4, and longitudinal illumination light source 3 illuminates the inner surface of detected support 4;Two kinds of light sources use different colours and the illumination of material, and the concordance without high light illuminates raising picture quality.
Described electronics line array CCD 9 is arranged on the top of support product 4, for detecting the quality of support product, it gathers the view data of linear array in the precision sweep mode of one line of a line, and after a complete scanning process, the general image of an assistant support product is the most obtained;When electronics line array CCD 9 detects support product, making support product 360 degree rotation by the rotation of two feeding roller bearings, the result of scanning process is the image of the high degrees of detail of a support.The data obtained are sent to image processing system 10 by described electronics line array CCD 9.
Described image processing system 10 is in order to process the support general image data that electronics line array CCD 9 sends, theory or the design basis of support general image data with original justice are compared, whether to have structure or the surface defect of one or more types in perspective image data;After error is observed, system will show these errors in display system 11, thus draw judged result.Described image processing system 10 is installed in computer.Described display system 11 is the display of this computer;Or, described equipment includes some display systems, shows testing result respectively.
In the present embodiment, described image processing system 10 provides alarm when substandard product being detected, and certified products and defective work is separated, and defective work will be disposed of, and certified products slip in test tube, enter lower one PROCESS FOR TREATMENT.
Referring to Fig. 8, Fig. 9, the structure of rotary shaft in the present embodiment introduced below, certainly, rotary shaft can also be other shapes.Rotary shaft includes servomotor 114, shaft coupling 116, worm screw 117, worm gear 109, pull bar module, shell 108, end inner cap 111, end cap 112, chuck 113.Described shaft device includes that base 115, described shell 108 are arranged on this base 115.Thus, rotary shaft entirety can be fixed on linear axis platform very easily, and entirety is easily installed (being installed on linear axis platform), utilizes alignment pin, it is possible to achieve coarse positioning.
As shown in Figure 9, described pull bar module includes that pull bar lid 102, piston (include piston bush 103, piston inner sleeve 104, piston bush 103, piston inner sleeve 104 be provided with 0 shape sealing ring seal), draw-bar seat 105, rolling bearing 107, axle sleeve 106, pull bar 110, pull bar 110 is hollow seamless structure.In the present embodiment, rotary shaft is the structure of inner hollow, and pull bar 110 can be allowed to pass through from centre, and the rotary shaft of hollow is capable of tubing conveying function and wet cutting operation function simultaneously.Pull bar 110 is the thin-wall seamless pipe of a hollow, when wet cutting adds man-hour, uses rearmounted water guide mode: whole tubing immerses in aqueduct, and once aqueduct is revealed, and current are also the hollow sealing intracavity at pull bar, does not interferes with the normal work of motor 114.
One end of described pull bar is provided with pull bar knob 101, can manual rotation pull bar 110.One end of described shell 108 arranges pull bar lid 102, draw-bar seat 105, and the other end arranges end cap 112;Piston, axle sleeve 106, rolling bearing 107 it is provided with between described pull bar lid 102, draw-bar seat 105.Piston be respectively provided on two sides with first air cavity the 118, second air cavity 119, first air cavity the 118, second air cavity 119 is respectively equipped with gateway, by gateway inflation/deflation;Described chuck 113 is arranged at one end of pull bar 110, exposes a part through end cap 112;Chuck 113 is by being screwed in the other end screwed hole of pull bar module near one end of pull bar lid 102 from rotary shaft.The output shaft of motor 114 and the axle of worm screw 117 are connected by described shaft coupling 116, and worm screw 117 coordinates with worm gear 109, and described worm gear 109 is coaxial with pull bar 110, and worm-wheel shaft is pull rod shaft.The rotation of motor 114 finally drives pull rod shaft rotary motion.
During rotary shaft clamping tubing, first air cavity 118 is inflated, high pressure gas is known from experience pushing drawing rod module and is moved towards first direction (the right as in Fig. 9), thus drive shell 108, end inner cap 111 to move towards first direction together with end cap 112, and it to be close to the outer conical surface of chuck 113 until the internal conical surface of end cap 112, end cap 112 continues to move to first direction, collet 113 is caused to tighten up, being embraced by tubing, keep this state, tubing will be held tightly by chuck 113 always.When needing to unclamp tubing, it is that the second air cavity 119 is inflated, the first air cavity 118 is exitted, gases at high pressure drive pull bar module towards second direction motion thus promote shell 108, end inner cap 111 and end cap 112 to move towards second direction (left side as in Fig. 9), and then the outer conical surface of collet 113 is separated with the internal conical surface of end cap 112, keep releasing orientation, now collet 113 relies on the elastic-restoring force of self to keep releasing orientation, and tubing is by released.Additionally, in order to ensure to use 0 shape sealing ring to seal between air-tightness various piece.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, being appreciated that and these embodiments can carry out multiple change without departing from the principles and spirit of the present invention, revise, replace and modification, the scope of the present invention is limited by claims and equivalent thereof.

Claims (7)

1. a Medical rack continuous automatic inspection equipment, it is characterised in that include conveyer belt, roller assembly, two-dimension moving platform, lighting source, electronics line array CCD, image processing system, display system;
Described roller assembly includes: roller bearing mounting seat, driven roller bearing, cutting ferrule, actively roller bearing and servomotor;The actively roller bearing that rotarily drives of motor output shaft rotates, and uses cutting ferrule that actively roller bearing and driven roller bearing are connected, when active roller bearing rotates when, drives driven roller bearing servo-actuated;Support product is placed on active roller bearing and driven roller bearing the two feeding roller bearing, the rotation of the two feeding roller bearing, drives support product to rotate, and uses rotation mode that support product is detected;
Described two-dimension moving platform includes X-axis, Y-axis, and roller assembly is arranged on the movable slider of X-axis, it is possible to move along X-axis, and X-axis and roller assembly entirety can be moved along the slideway of Y-axis;Use described two-dimension moving platform for the relative position of accurate positioning support product with electronics line array CCD;
Described lighting source includes transverse illumination light source and longitudinal illumination light source, and transverse illumination light source illuminates the outer surface of detected support product, and longitudinal illumination light source illuminates the inner surface of detected support;Two kinds of light sources use different colours and the illumination of material, and the concordance without high light illuminates raising picture quality;
Described electronics line array CCD is arranged on above support product, and for detecting the quality of support product, it gathers the view data of linear array in the precision sweep mode of one line of a line, and after a complete scanning process, the general image of an assistant support is the most obtained;The data obtained are sent to image processing system by described electronics line array CCD;
Described image processing system is in order to process the support general image data that electronics line array CCD sends, theory or the design basis of support general image data with original justice are compared, whether to have structure or the surface defect of one or more types in perspective image data;After error is observed, system will show these errors on the display system, thus draw judged result.
2. Medical rack continuous automatic inspection equipment as claimed in claim 1, it is characterized in that, when electronics line array CCD detection support product, making support product 360 degree rotation by the rotation of two feeding roller bearings, the result of scanning process is the image of the high degrees of detail of a support.
3. Medical rack continuous automatic inspection equipment as claimed in claim 1, it is characterized in that, described image processing system provides alarm when substandard product being detected, and certified products and defective work are separated, defective work will be disposed of, certified products slip in test tube, enter lower one PROCESS FOR TREATMENT.
4. Medical rack continuous automatic inspection equipment as claimed in claim 1, it is characterised in that described image processing system is installed in computer.
5. Medical rack continuous automatic inspection equipment as claimed in claim 4, it is characterised in that described display system is the display of this computer;Or, described equipment includes some display systems, shows testing result respectively.
6. Medical rack continuous automatic inspection equipment as claimed in claim 1, it is characterized in that, described Medical rack continuous automatic inspection equipment also includes that rotary shaft, described rotary shaft include motor, shaft coupling, worm screw, worm gear, pull bar module, shell, end cap, chuck;Described pull bar module includes pull bar lid, piston, draw-bar seat, rolling bearing, axle sleeve, pull bar, and pull bar is hollow structure;One end of described shell arranges pull bar lid, draw-bar seat, and the other end arranges end cap;It is provided with piston, axle sleeve, rolling bearing between described pull bar lid, draw-bar seat;Piston be respectively provided on two sides with the first air cavity, the second air cavity, the first air cavity, the second air cavity are respectively equipped with gateway, and by gateway inflation/deflation, described gateway connects additional high pressure gas air supply unit;Described chuck is arranged at one end of pull bar, exposes a part through end cap;Chuck is by being screwed in the other end screwed hole of pull bar module near one end of pull bar lid from rotary shaft;Output shaft and the worm shaft of motor are connected by described shaft coupling, and worm and wheel coordinates, and described worm gear is coaxial with pull bar, and worm-wheel shaft is pull rod shaft;The rotation of motor finally drives pull rod shaft rotary motion.
7. Medical rack continuous automatic inspection equipment as claimed in claim 6, it is characterized in that, described rotary shaft is when clamping intravascular stent, to the first air cavity inflation, high pressure gas is known from experience pushing drawing rod module and is moved towards first direction, thus drive shell, end inner cap to move towards first direction together with end cap, it is close to the outer conical surface of chuck until the internal conical surface of end cap, end cap continues to move to first direction, collet is caused to tighten up, being embraced by intravascular stent, keep this state, intravascular stent will be held tightly by chuck always;
When needing to unclamp intravascular stent, it is the second air cavity inflation, the first air cavity venting, gases at high pressure drive pull bar module towards second direction motion thus promote shell, end inner cap and end cap to move towards second direction, and then the outer conical surface of collet is separated with the internal conical surface of end cap, keep releasing orientation, now collet relies on the elastic-restoring force of self to keep releasing orientation, and intravascular stent is by released.
CN201210016298.6A 2012-01-19 2012-01-19 A kind of Medical rack continuous automatic inspection equipment Active CN103217442B (en)

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CN104677839A (en) * 2015-01-22 2015-06-03 浙江大学 Rotary scanning hyperspectral crop stem information acquisition system
CN104792789A (en) * 2015-04-08 2015-07-22 上海常良智能科技有限公司 Chemical fiber paper tube appearance detection device and method
WO2017028100A1 (en) * 2015-08-16 2017-02-23 陈学良 Vascular stent inspection apparatus having protection function and use method for vascular stent inspection apapratus
WO2017028217A1 (en) * 2015-08-18 2017-02-23 陈学良 Vascular stent inspection apparatus and use method therefor
CN107991314A (en) * 2017-11-23 2018-05-04 苏州艺力鼎丰智能技术有限公司 A kind of carbon fiber surface of automobile part printed matter defect intelligent detection equipment
CN107703156A (en) * 2017-11-23 2018-02-16 苏州艺力鼎丰智能技术有限公司 A kind of carbon fiber surface of automobile part defect intelligent detection equipment
CN110044908B (en) * 2019-04-22 2021-11-30 安徽大学 Detonator whole body comprehensive detection structure

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