CN103212828A - Automatic compensating machining equipment of medical bracket pipe diameter tolerance - Google Patents
Automatic compensating machining equipment of medical bracket pipe diameter tolerance Download PDFInfo
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- CN103212828A CN103212828A CN201210015674XA CN201210015674A CN103212828A CN 103212828 A CN103212828 A CN 103212828A CN 201210015674X A CN201210015674X A CN 201210015674XA CN 201210015674 A CN201210015674 A CN 201210015674A CN 103212828 A CN103212828 A CN 103212828A
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Abstract
The invention relates to automatic compensating machining equipment of medical bracket pipe diameter tolerance, which is mainly used for solving the problem that the qualification rate after the laser cutting of the bracket in the prior art is low. The automatic compensating machining equipment of medical bracket pipe diameter tolerance comprises a bracket laser cutter, an opposite irradiating measuring head and a control system processing center; the opposite irradiating measuring head is arranged between a pipe chuck on a two-dimensional motion platform in the bracket laser cutter and a clamping lining sleeve of the pipe close to the cutting area; according to the technical scheme, when the pipe is in a cutting status, the bracket clamp is clamped on the chuck, the chuck is fixed on the rotary shaft, and the bracket pipe is arranged between a signal generator and a signal receiver of the opposite irradiating measuring head, so that the problem is well solved, and the automatic compensating machining equipment of medical bracket pipe diameter tolerance can be used in the medical bracket pipe measuring device manufacturing industry.
Description
Technical field
The present invention relates to a kind of medical support caliber tolerance and compensate process equipment automatically.
Background technology
Along with the fast development of material science and accurate micro-processing technology, medical timbering material kind is more and more, and more common have nonmetallic materials such as metal materials such as stainless steel 316L, Nitinol, cobalt-base alloys, pure iron, magnesium alloy, and macromolecule.Because medical support plays the hemangiectasis wall to stop vessel retraction even to cause and block the generation that causes various sufferers in blood vessel, require on the support on each muscle feature structural dimension parameter one to show and keep on the whole support each point tension force identical, this proposes requirements at the higher level to medical support processing technology.General medical support all adopts seamless tubular goods to process, because the insertion type operation is not comprehensive in global evolution, the medical material technical development is also unbalanced, in the world the tubing that is used as medical support do not had comparatively unified technical standard at present, and stipulate according to correlation experience oneself by medical support research institution or support manufacturer that generally medical support tubing provider stipulates to provide respective holder according to these.Consider that medical support seamless tubular goods adopts technological method for processing such as drawing to produce, because the defective of technology must be difficult to guarantee caliber tolerance uniformity on whole (general length can above 2 meters) support tubing.And the support tubing caliber tolerance integral body of giving medical support manufacturer need be controlled at ± the 10um scope in, in fact owing to process and the context of detection technical deficiency, can change greatly even overproof problem at the difference place of whole support tubing caliber inevitably.
Occurring caliber on this same support tubing changes even overproof problem, if in detecting link and process, do not handled, to cause the wide uniformity tolerance of laser cutting after-poppet muscle instability, cause in the support production stent size precision control difficulty being strengthened, even can make the support of being produced be difficult to satisfy the requirement of insertion type operation to support product size precision, cause support to scrap or insertion type operative failure etc.
In the conventional medical support production process, also can't change the influence that is brought to support tubing caliber effectively handles, only be by after the laser cutting stent size precision being carried out complete detection, in case find overproof or, just judge that this support is a defective work, as long as on the support dimension overproof is arranged near tolerance limits line situation, the capital causes whole support to be scrapped, just because of this, the qualification rate difficulty after the support laser cutting has internal to improve, and causes the very big cost pressure and the wasting of resources.
In order to solve this bottleneck, the present invention discloses a kind of support processing method of automatic compensation support caliber tolerance variation, this method is by online detection institute processing support tubing caliber, and will detect gained caliber data in real time and be sent to data processing centre in the control system by Ethernet, data processing centre will compensate to measured support tubing caliber tolerance variation value next section immediately to be needed in the graphic file of cutting, system can cut according to the new graphic file after the compensation automatically when cutting pattern file next time like this, brings the harmful effect that the stent size precision is caused thereby eliminate because of the caliber tolerance variation.
Summary of the invention
Technical problem to be solved by this invention is the low problem of qualification rate after the medical support laser cutting in the prior art, the invention provides a kind of new medical support caliber tolerance and compensate process equipment automatically, this equipment has the advantage of having eliminated because of whole support each point caliber changes situation generations such as causing the stent size precision of last cutting inconsistent even overproof, to scrap.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows: a kind of medical support caliber tolerance compensates process equipment automatically, comprise support laser cutting machine, correlation gauge head and control system processing center, the correlation gauge head is installed in the support laser cutting machine tubing chuck on the two-dimension moving platform and tubing near between the clamping lining of cutting zone; When tubing is in cut state, and support tubing is clamped on the chuck, and chuck is fixed on the rotating shaft, and support tubing is between the signal generator and signal receiver of correlation gauge head; The axial right motion of linear axis meeting driven rotary, the correlation gauge head detects the actual caliber of each point in real time, measured actual caliber data are transferred to the control system processing center by Ethernet, processing center will contrast the variable quantity of measured support tubing point caliber and corresponding support name caliber in real time, again this variable quantity is compensated on the caliber of next section mount pattern file automatically, to adjust laser cutting machine.
In the technique scheme, the clamping tool of described supporting bracket tubing is installed in the right side of gauge head installation site.Described correlation gauge head is installed in laser cutting machine two-dimension moving platform right side, also is provided with clamping lining, tubing chuck, linear axis on the described two-dimension moving platform.
Among the present invention, this equipment adopts real-time online to detect the caliber actual value of institute's cutting support tubing difference, and this actual value and this support tubing name caliber is compared by control system, compensate to the difference that contrasts in the graphic file of the required cutting of next section by data processing centre in the control system, caliber value with the follow-up wait cutting pattern of real-time correction, thereby improve support accurate to dimension, support production qualification rate and product quality, avoid causing excess waste because of qualified rate variance.
A kind of medical support caliber tolerance disclosed by the invention compensates the processing processing method automatically, compares with respect to the conventional stent processing method, and following clear superiority is arranged:
1) in the conventional stent processing method, can't carry out management and control, cause institute's processing support qualification rate low the influence that support caliber tolerance variation is brought;
2) than the conventional stent processing method, this patent adopts compensation support caliber tolerance variation automatically, can eliminate effectively the stent size precision that whole support difference bring because of the caliber tolerance variation inconsistent even overproof, problem such as scrap.
3) support processed than the conventional stent method of the support that adopts this method to process, on dimensional accuracy, be significantly improved, the wide uniformity tolerance of muscle can be controlled at ± 2um is with interior (conventional method can only be controlled at ± 5um in), thereby every muscle rigidity and uniform tension in order have well been guaranteed on the support, more meet the insertion type operation to the requirement of support product quality, improved the insertion type success rate of operation.
Medical support caliber tolerance of the present invention compensates process equipment automatically, can also continue to improve, such as merging medical support tube caliber automatic measuring equipment, should form by measuring table and charging supporting module, be fixed with the axle system of measuring on the described measuring table, a described measurement system comprises rotating shaft, the platform below is provided with the measurement device control system, the automatic feed clamping device is housed on the described measuring table, fixed axis, linear axis, rotating shaft and correlation gauge head, the bush hole that has on the described charging clamping device, the described measuring table left and right sides is provided with the charging supporting module.
In the technique scheme, the right-hand member of described fixed axis is equipped with chuck.Described fixed axis self is fixed on the linear axis of measuring table.Described correlation gauge head is arranged on the fixed axis right side, is fixed on the upper surface of linear axis.
The medical support tube caliber automatic measuring equipment that adopts carries out caliber tolerance all automatic measurement to it before the charging of medical support tubing, and with the measurement data backup, as the basic data of analyzing the monitoring of processing after-poppet dimensional tolerance.This equipment can be medical support manufacturer and supplied materials support tubing is carried out the caliber tolerance measurement facilitates in addition, can replace traditional manual measurement method fully, avoids causing support tubing bending equivalent damage in measuring process because of manual intervention.This measurement device adopts contactless gauge head that support tubing caliber is measured, and avoids the contact type measurement instrument to bring damage because of frequent the contact to tube wall with support tubing, thereby makes troubles even cause that support tubing is scrapped etc. to operation behind the support.
Medical support caliber tolerance of the present invention compensates process equipment automatically, can also continue to improve, merge the equipment that the medical support caliber of on-line monitoring changes, described watch-dog is fixed on the laser cutting machine two-dimension moving platform, comprise contactless accurate gauge head and measuring system, contactless accurate gauge head signal input measurement system, the charging of described measuring system control rotating shaft, measuring system has automatic warning function, described contactless accurate gauge head is arranged between the cutting area and support tubing clamping district of support laser cutting device, has signal receiver and signal generator; During charging, the section that described contactless accurate gauge head is measured the cross section to support tubing through gauge head carries out the caliber tolerance measurement to support tubing in real time in cutting process.
Monitor the On-line Measuring Method of medical support caliber tolerance variation, before charging, support tubing be need not to carry out independent caliber tolerance measurement, got rid of conventional method fully and in this step operation, caused the tubing degree of impairment.Adopt non-contact measurement, evaded fully because of adopting contact type measurement to cause survey tool and support frequently to contact and caused the tube wall damage.In addition, this method adopts online real-time measurement, can measure constantly each section caliber tolerance of whole support, in case finding overproof measuring system will report to the police automatically, the back feed shaft of reporting to the police will stop no longer to continue charging automatically, evade fully continuing charging because of caliber is overproof and causing by the stuck situation generation of rear end frock clamp.By using this equipment, evaded the problem that exists in the conventional method fully.
Adopt equipment of the present invention, carry out medical support caliber tolerance and compensate the processing processing method automatically, this method is equipped with the correlation gauge head at support cut point front end, support tubing is in cutting process, detected the actual caliber of each point in real time, measured actual caliber value is transferred to the control system processing center fast by Ethernet, data processing centre will contrast the variable quantity of measured support tubing point caliber and corresponding support name caliber in real time, again this variable quantity is compensated on the caliber of next section mount pattern file automatically, cause the stent size precision of last cutting inconsistent even overproof thereby eliminated because of whole support each point caliber changes from graphic file, situation such as scrap takes place.Obtained better technical effect.
Description of drawings
Fig. 1 compensates the process principle schematic diagram automatically for the caliber tolerance.
Fig. 2 is installed in effect schematic diagram on the two-dimension moving platform for gauge head.
Fig. 3 measures the caliber principle schematic for gauge head.
Fig. 4 is contained in effect schematic diagram on the support laser cutting machine for gauge head.
Among Fig. 1,1 is Ethernet; 2 is gauge head.
Among Fig. 2,1 is the clamping lining; 2 is the correlation gauge head; 3 is support tubing; 4 is the tubing chuck; 5 is the two-dimension moving platform rotating shaft; 6 is linear axis.
Among Fig. 3,7 is signal receiver; 8 is signal generator; 9 is support tubing; 10 is two motion platforms.
Among Fig. 4,11 is the support laser cutting machine; 12 are the charging supporting module.
The invention will be further elaborated below by specific embodiment, but be not limited only to present embodiment.
Specific embodiment
[embodiment 1]
A kind of medical support caliber tolerance compensates process equipment automatically, comprise support laser cutting machine, correlation gauge head and control system processing center, the correlation gauge head is installed in the support laser cutting machine tubing chuck on the two-dimension moving platform and tubing near between the clamping lining of cutting zone; When tubing is in cut state, and support tubing is clamped on the chuck, and chuck is fixed on the rotating shaft, and support tubing is between the signal generator and signal receiver of correlation gauge head; The axial right motion of linear axis meeting driven rotary, the correlation gauge head detects the actual caliber of each point in real time, measured actual caliber data are transferred to the control system processing center by Ethernet, processing center will contrast the variable quantity of measured support tubing point caliber and corresponding support name caliber in real time, again this variable quantity is compensated on the caliber of next section mount pattern file automatically, to adjust laser cutting machine.
[embodiment 2]
A kind of medical support caliber tolerance compensates the processing processing method automatically, this method is by being installed in correlation gauge head (among Fig. 2 2) tubing chuck on the interior two-dimension moving platform of support laser cutting machine (shown in Figure 4) (among Fig. 25 and 6) (among Fig. 2 4) and tubing near between the clamping lining of cutting zone (among Fig. 2 1), just in time allow support tubing (among Fig. 2 3) be between the signal generator (among Fig. 3 8) of correlation gauge head and the signal receiver (among Fig. 3 7), support tubing is placed directly on earlier on the charging supporting module (among Fig. 4 12), and pass rotating shaft on the two-dimension moving platform (among Fig. 2 5), tubing chuck (among Fig. 2 4) is passed in the centre, up to the cutting head that passes tubing lining (among Fig. 2 1) the right-hand member cutting zone of below.(among Fig. 2 3) passes the correlation gauge head earlier because support tubing, again to passing the right tubing lining of surveying, therefore, the measurement of tubing caliber tolerance moved prior to penetrating the tubing lining.When tubing is in cut state, linear axis (among Fig. 2 6) can the driven rotary axle (among Fig. 2 5) moves right, and support tubing (among Fig. 2 3) is clamped on the chuck (among Fig. 2 4), and chuck is fixed on the rotating shaft, therefore is equivalent to linear axis and drives support tubing and carry out feed motion to the right.Give in the feeding process, tubing can progressively pass through the measured zone of correlation gauge head.As shown in Figure 2, the correlation gauge head comes support tubing is carried out the caliber tolerance measurement by non-contact measurement, principle is by signal generator emission light, these light are in the vertical cross-section, enough cover pipe diameter, thereby some light is blocked in the signal receiver that can't enter into the opposite by tubing, suppose that be L from signal generator generation light in vertical-direction length, and the signal receiver on opposite to accept the length of light be X, then measured support caliber D=L-X, measuring principle as shown in Figure 3.Owing to adopt non-contact measurement, can not cause any damage to the support outer pipe wall.
Measure the caliber X that is in cut state lower carriage tubing each point in real time by said method, just correspond to that the caliber value also is X in the cutting pattern file, this value is transferred to data processing centre in the control system fast by Ethernet, and in data processing centre constantly more measured caliber X value and the nominal caliber X ' of support tubing, with between the two difference △ X real-Time Compensation in mount pattern file to be processed, control system is being carried out next not during cutting action, the file to be processed that has compensated the caliber tolerance will be received, Control Shaft system carries out next step pattern cut according to this graphic file, thereby effectively revised because of support tubing each point caliber tolerance variation causes the low problem of stent size precision, whole schematic diagram as shown in Figure 1.
Adopt this method to change the tubing caliber effectively and measure in real time and error compensation, greatly improved the support machining accuracy, and guaranteed the qualification rate of support laser cutting, for the support actual production provides optimum processing scheme.
[embodiment 3]
A kind of medical support caliber tolerance compensates process equipment automatically, comprise support laser cutting machine, correlation gauge head and control system processing center, the correlation gauge head is installed in the support laser cutting machine tubing chuck on the two-dimension moving platform and tubing near between the clamping lining of cutting zone; When tubing is in cut state, and support tubing is clamped on the chuck, and chuck is fixed on the rotating shaft, and support tubing is between the signal generator and signal receiver of correlation gauge head; The axial right motion of linear axis meeting driven rotary, the correlation gauge head detects the actual caliber of each point in real time, measured actual caliber data are transferred to the control system processing center by Ethernet, processing center will contrast the variable quantity of measured support tubing point caliber and corresponding support name caliber in real time, again this variable quantity is compensated on the caliber of next section mount pattern file automatically, to adjust laser cutting machine.
Described medical support caliber tolerance compensates process equipment automatically can also add the equipment that the medical support caliber of on-line monitoring changes, described watch-dog is fixed on the laser cutting machine two-dimension moving platform, comprise contactless accurate gauge head and measuring system, contactless accurate gauge head signal input measurement system, the charging of described measuring system control rotating shaft, measuring system has automatic warning function, described contactless accurate gauge head is arranged between the cutting area and support tubing clamping district of support laser cutting device, during charging, the section that described contactless accurate gauge head is measured the cross section to support tubing through gauge head carries out the caliber tolerance measurement to support tubing in real time in cutting process.
Cutting area (end of keeping right) at the support laser cutting device) and between support tubing clamping district (end keeps left), a contactless accurate gauge head is installed, in case the charging in cutting process of support tubing, this gauge head carries out the caliber tolerance measurement with real-time section to support tubing process this its measurement cross section.Being installed in the right side of gauge head installation site at the clamping tool of low order end supporting bracket tubing, owing to adopt this mounting arrangement, must be support tubing measured caliber tolerance earlier, again the clamping tool by right-hand member.And in case find that at the measurement station support caliber is overproof, measuring system can be reported to the police automatically, feed shaft stops charging subsequently, can do not pushed clamping tool to the right by the overproof section of the measured caliber tolerance of gauge head, be taken place by the stuck situation of clamping tool thereby evaded fully because of tubing caliber tolerance is overproof.
[embodiment 4]
A kind of medical support caliber tolerance compensates process equipment automatically, comprise support laser cutting machine, correlation gauge head and control system processing center, the correlation gauge head is installed in the support laser cutting machine tubing chuck on the two-dimension moving platform and tubing near between the clamping lining of cutting zone; When tubing is in cut state, and support tubing is clamped on the chuck, and chuck is fixed on the rotating shaft, and support tubing is between the signal generator and signal receiver of correlation gauge head; The axial right motion of linear axis meeting driven rotary, the correlation gauge head detects the actual caliber of each point in real time, measured actual caliber data are transferred to the control system processing center by Ethernet, processing center will contrast the variable quantity of measured support tubing point caliber and corresponding support name caliber in real time, again this variable quantity is compensated on the caliber of next section mount pattern file automatically, to adjust laser cutting machine.
This medical support caliber tolerance compensates process equipment automatically and can also add caliber tolerance measurement EM equipment module, caliber tolerance measurement equipment is made up of a measuring table and two charging supporting modules, this platform by natural granite as measuring table, be fixed with the axle system of measuring on it, the control system that the platform below is placed with measurement device is equipped with automatic feed clamping device, linear axis, rotating shaft and correlation gauge head on this measuring table.This measuring table left side is the charging supporting module, the right survey also is placed with a charging supporting module, support tubing is placed on the charging supporting module in left side before measuring, and passes the rotating shaft from measuring table, till the bush hole of passing on the automatic feed clamping device.
During measurement, chuck in the rotating shaft on the measured platform of support tubing clamps, move right with linear axis, drive the measured zone that support tubing passes the correlation gauge head that is fixed on the measuring table, because support tubing generally all grow (length is generally in 3m), the support tubing continuation after measured is supported by the charging supporting module on right side to the right.
After measuring, support tubing will be placed on the charging supporting module on right side fully, directly take off to put into support laser cutting device processing and get final product.
Claims (6)
1. a medical support caliber tolerance compensates process equipment automatically, comprise support laser cutting machine, correlation gauge head and control system processing center, the correlation gauge head is installed in the support laser cutting machine tubing chuck on the two-dimension moving platform and tubing near between the clamping lining of cutting zone; When tubing is in cut state, and support tubing is clamped on the chuck, and chuck is fixed on the rotating shaft, and support tubing is between the signal generator and signal receiver of correlation gauge head; The axial right motion of linear axis meeting driven rotary, the correlation gauge head detects the actual caliber of each point in real time, measured actual caliber data are transferred to the control system processing center by Ethernet, processing center will contrast the variable quantity of measured support tubing point caliber and corresponding support name caliber in real time, again this variable quantity is compensated on the caliber of next section mount pattern file automatically, to adjust laser cutting machine.
2. medical support caliber tolerance according to claim 1 compensates process equipment automatically, it is characterized in that described correlation gauge head is installed in laser cutting machine two-dimension moving platform right side.
3. medical support caliber tolerance according to claim 1 compensates process equipment automatically, it is characterized in that the right-hand member of described rotating shaft is equipped with chuck.
4. medical support caliber tolerance according to claim 1 compensates process equipment automatically, it is characterized in that described rotating shaft is fixed on the linear axis of measuring table.
5. medical support caliber tolerance according to claim 1 compensates process equipment automatically, it is characterized in that described correlation gauge head is arranged on the fixed axis right side, is fixed on the upper surface of linear axis.
6. medical support caliber tolerance according to claim 1 compensates process equipment automatically, it is characterized in that signal receiver in the correlation gauge head is used for the light that the acknowledge(ment) signal generator sends.
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| CN201210015674.XA CN103212828B (en) | 2012-01-19 | 2012-01-19 | Medical bracket pipe diameter tolerance compensates process equipment automatically |
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| CN201210015674.XA CN103212828B (en) | 2012-01-19 | 2012-01-19 | Medical bracket pipe diameter tolerance compensates process equipment automatically |
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Cited By (2)
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| CN108608124A (en) * | 2018-04-10 | 2018-10-02 | 上海柏楚电子科技股份有限公司 | A kind of the clamping chuck and modification method of correction-compensation pipe clamping centre deviation |
| CN109702335A (en) * | 2017-10-25 | 2019-05-03 | 泰科电子(上海)有限公司 | Welding system |
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| CN103212828B (en) | 2016-07-06 |
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